chunker-player / chunker_player / player_core.c @ a0e0d6ff
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#include "player_defines.h" |
|---|---|
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#include "chunker_player.h" |
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#include "player_gui.h" |
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#include "player_core.h" |
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#include <assert.h> |
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|
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void SaveFrame(AVFrame *pFrame, int width, int height); |
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int VideoCallback(void *valthread); |
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void AudioCallback(void *userdata, Uint8 *stream, int len); |
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void UpdateQueueStats(PacketQueue *q, int packet_index); |
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void UpdateLossTraces(int type, int first_lost, int n_lost); |
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int UpdateQualityEvaluation(double instant_lost_frames, double instant_skips, int do_update); |
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void PacketQueueCleanStats(PacketQueue *q);
|
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|
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void PacketQueueInit(PacketQueue *q, short int Type) |
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{
|
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#ifdef DEBUG_QUEUE
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printf("QUEUE: INIT BEGIN: NPackets=%d Type=%s\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
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#endif
|
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memset(q,0,sizeof(PacketQueue)); |
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q->mutex = SDL_CreateMutex(); |
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QueueFillingMode=1;
|
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q->queueType=Type; |
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q->last_frame_extracted = -1;
|
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q->total_lost_frames = 0;
|
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q->instant_lost_frames = 0;
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q->total_skips = 0;
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q->last_skips = 0;
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q->instant_skips = 0;
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q->first_pkt= NULL;
|
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//q->last_pkt = NULL;
|
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q->nb_packets = 0;
|
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q->size = 0;
|
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q->density= 0.0; |
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FirstTime = 1;
|
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FirstTimeAudio = 1;
|
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//init up statistcs
|
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PacketQueueCleanStats(q); |
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#ifdef DEBUG_QUEUE
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printf("QUEUE: INIT END: NPackets=%d Type=%s\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
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#endif
|
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} |
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|
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void PacketQueueReset(PacketQueue *q)
|
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{
|
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AVPacketList *tmp,*tmp1; |
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#ifdef DEBUG_QUEUE
|
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printf("QUEUE: RESET BEGIN: NPackets=%d Type=%s LastExtr=%d\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->last_frame_extracted); |
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#endif
|
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SDL_LockMutex(q->mutex); |
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|
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tmp = q->first_pkt; |
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while(tmp) {
|
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tmp1 = tmp; |
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tmp = tmp->next; |
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av_free_packet(&(tmp1->pkt)); |
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av_free(tmp1); |
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#ifdef DEBUG_QUEUE
|
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printf("F ");
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#endif
|
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q->total_lost_frames++; |
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} |
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#ifdef DEBUG_QUEUE
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printf("\n");
|
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#endif
|
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|
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QueueFillingMode=1;
|
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q->last_frame_extracted = -1;
|
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// on queue reset do not reset loss count
|
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// (loss count reset is done on queue init, ie channel switch)
|
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// q->total_lost_frames = 0;
|
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q->density=0.0; |
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q->first_pkt= NULL;
|
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//q->last_pkt = NULL;
|
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q->nb_packets = 0;
|
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q->size = 0;
|
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FirstTime = 1;
|
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FirstTimeAudio = 1;
|
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//clean up statistcs
|
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PacketQueueCleanStats(q); |
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#ifdef DEBUG_QUEUE
|
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printf("QUEUE: RESET END: NPackets=%d Type=%s LastExtr=%d\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->last_frame_extracted); |
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#endif
|
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SDL_UnlockMutex(q->mutex); |
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} |
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|
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void PacketQueueCleanStats(PacketQueue *q) {
|
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int i=0; |
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for(i=0; i<LOSS_HISTORY_MAX_SIZE; i++) { |
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q->skip_history[i] = -1;
|
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q->loss_history[i] = -1;
|
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} |
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q->loss_history_index = 0;
|
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q->skip_history_index = 0;
|
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q->instant_skips = 0.0; |
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q->instant_lost_frames = 0.0; |
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q->instant_window_size = 50; //averaging window size, self-correcting based on window_seconds |
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q->instant_window_size_target = 0;
|
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q->instant_window_seconds = 1; //we want to compute number of events in a 1sec wide window |
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q->last_window_size_update = 0;
|
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q->last_stats_display = 0;
|
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sprintf(q->stats_message, "%s", "\n"); |
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} |
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|
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int ChunkerPlayerCore_PacketQueuePut(PacketQueue *q, AVPacket *pkt)
|
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{
|
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short int skip = 0; |
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AVPacketList *pkt1, *tmp, *prevtmp; |
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|
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if(q->nb_packets > queue_filling_threshold*QUEUE_MAX_GROW_FACTOR) {
|
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#ifdef DEBUG_QUEUE
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printf("QUEUE: PUT i have TOO MANY packets %d Type=%s, RESETTING\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
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#endif
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PacketQueueReset(q); |
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} |
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|
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//make a copy of the incoming packet
|
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if(av_dup_packet(pkt) < 0) { |
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#ifdef DEBUG_QUEUE
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printf("QUEUE: PUT in Queue cannot duplicate in packet : NPackets=%d Type=%s\n",q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
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#endif
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return -1; |
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} |
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pkt1 = av_malloc(sizeof(AVPacketList));
|
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|
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if(!pkt1) {
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av_free_packet(pkt); |
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return -1; |
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} |
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pkt1->pkt = *pkt; |
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pkt1->next = NULL;
|
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|
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SDL_LockMutex(q->mutex); |
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|
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// INSERTION SORT ALGORITHM
|
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// before inserting pkt, check if pkt.stream_index is <= current_extracted_frame.
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if(pkt->stream_index > q->last_frame_extracted) {
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// either checking starting from the first_pkt or needed other struct like AVPacketList with next and prev....
|
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//if (!q->last_pkt)
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if(!q->first_pkt) {
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q->first_pkt = pkt1; |
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q->last_pkt = pkt1; |
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} |
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else if(pkt->stream_index < q->first_pkt->pkt.stream_index) { |
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//the packet that has arrived is earlier than the first we got some time ago!
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//we need to put it at the head of the queue
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pkt1->next = q->first_pkt; |
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q->first_pkt = pkt1; |
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} |
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else {
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tmp = q->first_pkt; |
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while(tmp->pkt.stream_index < pkt->stream_index) {
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prevtmp = tmp; |
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tmp = tmp->next; |
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|
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if(!tmp) {
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break;
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} |
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} |
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if(tmp && tmp->pkt.stream_index == pkt->stream_index) {
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//we already have a frame with that index
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skip = 1;
|
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#ifdef DEBUG_QUEUE
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printf("QUEUE: PUT: we already have frame with index %d, skipping\n", pkt->stream_index);
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#endif
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} |
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else {
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prevtmp->next = pkt1; |
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pkt1->next = tmp; |
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if(pkt1->next == NULL) |
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q->last_pkt = pkt1; |
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} |
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//q->last_pkt->next = pkt1; // It was uncommented when not insertion sort
|
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} |
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if(skip == 0) { |
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//q->last_pkt = pkt1;
|
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q->nb_packets++; |
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q->size += pkt1->pkt.size; |
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if(q->nb_packets>=queue_filling_threshold && QueueFillingMode) // && q->queueType==AUDIO) |
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{
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QueueFillingMode=0;
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#ifdef DEBUG_QUEUE
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printf("QUEUE: PUT: FillingMode set to zero\n");
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#endif
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} |
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} |
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} |
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|
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else {
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av_free_packet(&pkt1->pkt); |
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av_free(pkt1); |
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#ifdef DEBUG_QUEUE
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printf("QUEUE: PUT: NOT inserting because index %d > last extracted %d\n", pkt->stream_index, q->last_frame_extracted);
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#endif
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} |
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|
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// minus one means no lost frames estimation, useless during QueuePut operations
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UpdateQueueStats(q, -1);
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|
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SDL_UnlockMutex(q->mutex); |
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return 0; |
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} |
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|
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int ChunkerPlayerCore_InitCodecs(int width, int height, int sample_rate, short int audio_channels) |
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{
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// some initializations
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QueueStopped = 0;
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AudioQueueOffset=0;
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AVPlaying = 0;
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GotSigInt = 0;
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FirstTimeAudio=1;
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FirstTime = 1;
|
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deltaAudioQError=0;
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InitRect = NULL;
|
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img_convert_ctx = NULL;
|
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|
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SDL_AudioSpec wanted_spec; |
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AVCodec *aCodec; |
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|
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memset(&VideoCallbackThreadParams, 0, sizeof(ThreadVal)); |
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|
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VideoCallbackThreadParams.width = width; |
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VideoCallbackThreadParams.height = height; |
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|
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// Register all formats and codecs
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av_register_all(); |
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|
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aCodecCtx = avcodec_alloc_context(); |
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//aCodecCtx->bit_rate = 64000;
|
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aCodecCtx->sample_rate = sample_rate; |
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aCodecCtx->channels = audio_channels; |
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#ifdef MP3_AUDIO_ENCODER
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aCodec = avcodec_find_decoder(CODEC_ID_MP3); // codec audio
|
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#else
|
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aCodec = avcodec_find_decoder(CODEC_ID_MP2); |
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#endif
|
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printf("MP2 codec id %d MP3 codec id %d\n",CODEC_ID_MP2,CODEC_ID_MP3);
|
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if(!aCodec) {
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printf("Codec not found!\n");
|
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return -1; |
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} |
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if(avcodec_open(aCodecCtx, aCodec)<0) { |
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fprintf(stderr, "could not open codec\n");
|
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return -1; // Could not open codec |
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} |
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printf("using audio Codecid: %d ",aCodecCtx->codec_id);
|
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printf("samplerate: %d ",aCodecCtx->sample_rate);
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printf("channels: %d\n",aCodecCtx->channels);
|
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CurrentAudioFreq = wanted_spec.freq = aCodecCtx->sample_rate; |
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wanted_spec.format = AUDIO_S16SYS; |
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wanted_spec.channels = aCodecCtx->channels; |
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wanted_spec.silence = 0;
|
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CurrentAudioSamples = wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE; |
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wanted_spec.callback = AudioCallback; |
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wanted_spec.userdata = aCodecCtx; |
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if(SDL_OpenAudio(&wanted_spec,&AudioSpecification)<0) |
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{
|
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fprintf(stderr,"SDL_OpenAudio: %s\n", SDL_GetError());
|
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return -1; |
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} |
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dimAudioQ = AudioSpecification.size; |
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deltaAudioQ = (float)((float)AudioSpecification.samples)*1000/AudioSpecification.freq; |
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|
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#ifdef DEBUG_AUDIO
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printf("freq:%d\n",AudioSpecification.freq);
|
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printf("format:%d\n",AudioSpecification.format);
|
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printf("channels:%d\n",AudioSpecification.channels);
|
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printf("silence:%d\n",AudioSpecification.silence);
|
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printf("samples:%d\n",AudioSpecification.samples);
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printf("size:%d\n",AudioSpecification.size);
|
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printf("deltaAudioQ: %f\n",deltaAudioQ);
|
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#endif
|
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|
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outbuf_audio = malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE); |
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|
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//initialize the audio and the video queues
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PacketQueueInit(&audioq, AUDIO); |
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PacketQueueInit(&videoq, VIDEO); |
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|
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// Init audio and video buffers
|
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av_init_packet(&AudioPkt); |
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av_init_packet(&VideoPkt); |
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//printf("AVCODEC_MAX_AUDIO_FRAME_SIZE=%d\n", AVCODEC_MAX_AUDIO_FRAME_SIZE);
|
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AudioPkt.data=(uint8_t *)malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE); |
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if(!AudioPkt.data) return 1; |
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VideoPkt.data=(uint8_t *)malloc(width*height*3/2); |
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if(!VideoPkt.data) return 1; |
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|
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InitRect = (SDL_Rect*) malloc(sizeof(SDL_Rect));
|
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if(!InitRect)
|
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{
|
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printf("Memory error!!!\n");
|
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return -1; |
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} |
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InitRect->x = OverlayRect.x; |
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InitRect->y = OverlayRect.y; |
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InitRect->w = OverlayRect.w; |
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InitRect->h = OverlayRect.h; |
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|
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char audio_stats[255], video_stats[255]; |
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sprintf(audio_stats, "waiting for incoming audio packets...");
|
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sprintf(video_stats, "waiting for incoming video packets...");
|
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ChunkerPlayerGUI_SetStatsText(audio_stats, video_stats); |
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|
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return 0; |
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} |
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|
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int DecodeEnqueuedAudio(AVPacket *pkt, PacketQueue *q)
|
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{
|
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uint16_t *audio_bufQ = NULL;
|
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int16_t *dataQ = NULL;
|
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int data_sizeQ = AVCODEC_MAX_AUDIO_FRAME_SIZE;
|
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int lenQ;
|
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int ret = 0; |
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|
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//set the flag to decoded anyway
|
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pkt->convergence_duration = -1;
|
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|
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audio_bufQ = (uint16_t *)av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE); |
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if(audio_bufQ) {
|
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#ifdef DEBUG_AUDIO_BUFFER
|
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printf("AUDIO_BUFFER: about to decode packet %d, size %d, data %d\n", pkt->stream_index, pkt->size, pkt->data);
|
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#endif
|
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//decode the packet data
|
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lenQ = avcodec_decode_audio3(aCodecCtx, (int16_t *)audio_bufQ, &data_sizeQ, pkt); |
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if(lenQ > 0) { |
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dataQ = (int16_t *)av_malloc(data_sizeQ); //this will be free later at the time of playback
|
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if(dataQ) {
|
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memcpy(dataQ, audio_bufQ, data_sizeQ); |
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if(pkt->data != NULL) |
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{
|
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//discard the old encoded bytes
|
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av_free(pkt->data); |
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} |
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//subtract them from queue size
|
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q->size -= pkt->size; |
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pkt->data = (int8_t *)dataQ; |
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pkt->size = data_sizeQ; |
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//add new size to queue size
|
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q->size += pkt->size; |
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ret = 1;
|
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} |
| 343 |
else {
|
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#ifdef DEBUG_AUDIO_BUFFER
|
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printf("AUDIO_BUFFER: cannot alloc space for decoded packet %d\n", pkt->stream_index);
|
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#endif
|
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} |
| 348 |
} |
| 349 |
else {
|
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#ifdef DEBUG_AUDIO_BUFFER
|
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printf("AUDIO_BUFFER: cannot decode packet %d\n", pkt->stream_index);
|
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#endif
|
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} |
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av_free(audio_bufQ); |
| 355 |
} |
| 356 |
else {
|
| 357 |
#ifdef DEBUG_AUDIO_BUFFER
|
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printf("AUDIO_BUFFER: cannot alloc decode buffer for packet %d\n", pkt->stream_index);
|
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#endif
|
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} |
| 361 |
return ret; //problems occurred |
| 362 |
} |
| 363 |
|
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/**
|
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* removes a packet from the list and returns the next
|
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* */
|
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AVPacketList *RemoveFromQueue(PacketQueue *q, AVPacketList *p) |
| 368 |
{
|
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AVPacketList *retpk = p->next; |
| 370 |
q->nb_packets--; |
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//adjust size here and not in the various cases of the dequeue
|
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q->size -= p->pkt.size; |
| 373 |
if(&p->pkt)
|
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av_free_packet(&p->pkt); |
| 375 |
if(p)
|
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av_free(p); |
| 377 |
return retpk;
|
| 378 |
} |
| 379 |
|
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AVPacketList *SeekAndDecodePacketStartingFrom(AVPacketList *p, PacketQueue *q) |
| 381 |
{
|
| 382 |
while(p) {
|
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//check if audio packet has been already decoded
|
| 384 |
if(p->pkt.convergence_duration == 0) { |
| 385 |
//not decoded yet, try to decode it
|
| 386 |
if( !DecodeEnqueuedAudio(&(p->pkt), q) ) {
|
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//it was not possible to decode this packet, return next one
|
| 388 |
p = RemoveFromQueue(q, p); |
| 389 |
} |
| 390 |
else
|
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return p;
|
| 392 |
} |
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else
|
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return p;
|
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} |
| 396 |
return NULL; |
| 397 |
} |
| 398 |
|
| 399 |
void UpdateQueueStats(PacketQueue *q, int packet_index) |
| 400 |
{
|
| 401 |
//used as flag also (0 means dont update quality estimation average)
|
| 402 |
int update_quality_avg = 0; |
| 403 |
int i;
|
| 404 |
|
| 405 |
if(q == NULL) |
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return;
|
| 407 |
if(q->first_pkt == NULL) |
| 408 |
return;
|
| 409 |
if(q->last_pkt == NULL) |
| 410 |
return;
|
| 411 |
|
| 412 |
int now = time(NULL); |
| 413 |
if(!q->last_stats_display)
|
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q->last_stats_display = now; |
| 415 |
if(!q->last_window_size_update)
|
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q->last_window_size_update = now; |
| 417 |
|
| 418 |
//calculate the queue density both in case of QueuePut and QueueGet
|
| 419 |
if(q->last_pkt->pkt.stream_index >= q->first_pkt->pkt.stream_index)
|
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{
|
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q->density = (double)q->nb_packets / (double)(q->last_pkt->pkt.stream_index - q->first_pkt->pkt.stream_index + 1) * 100.0; //plus 1 because if they are adjacent (difference 1) there really should be 2 packets in the queue |
| 422 |
} |
| 423 |
#ifdef DEBUG_STATS
|
| 424 |
if(q->queueType == AUDIO)
|
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printf("STATS: AUDIO QUEUE DENSITY percentage %f, last %d, first %d, pkts %d\n", q->density, q->last_pkt->pkt.stream_index, q->first_pkt->pkt.stream_index, q->nb_packets);
|
| 426 |
if(q->queueType == VIDEO)
|
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printf("STATS: VIDEO QUEUE DENSITY percentage %f, last %d, first %d, pkts %d\n", q->density, q->last_pkt->pkt.stream_index, q->first_pkt->pkt.stream_index, q->nb_packets);
|
| 428 |
#endif
|
| 429 |
|
| 430 |
//adjust the sliding window_size according to the elapsed time
|
| 431 |
update_quality_avg = 0;
|
| 432 |
//dynamically self-adjust the instant_window_size based on the time passing
|
| 433 |
//to match it at our best, since we have no separate thread to count time
|
| 434 |
if((now - q->last_window_size_update) >= q->instant_window_seconds) {
|
| 435 |
int i = 0; |
| 436 |
//if window is enlarged, erase old samples
|
| 437 |
for(i=q->instant_window_size; i<q->instant_window_size_target; i++) {
|
| 438 |
q->skip_history[i] = -1;
|
| 439 |
q->loss_history[i] = -1;
|
| 440 |
} |
| 441 |
#ifdef DEBUG_STATS
|
| 442 |
printf("STATS: %s WINDOW_SIZE instant set from %d to %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->instant_window_size, q->instant_window_size_target); |
| 443 |
#endif
|
| 444 |
q->instant_window_size = q->instant_window_size_target; |
| 445 |
if(q->instant_window_size == 0) { //in case of anomaly reset to default |
| 446 |
q->instant_window_size = 50;
|
| 447 |
printf("STATS: %s WINDOW_SIZE instant anomaly reset to default %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->instant_window_size); |
| 448 |
} |
| 449 |
if(q->instant_window_size > LOSS_HISTORY_MAX_SIZE) {
|
| 450 |
printf("ERROR: %s instant_window size updated to %d, which is more than the max of %d. Exiting.\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->instant_window_size, LOSS_HISTORY_MAX_SIZE); |
| 451 |
exit(1);
|
| 452 |
} |
| 453 |
q->instant_window_size_target = 0;
|
| 454 |
#ifdef DEBUG_STATS
|
| 455 |
printf("STATS: %s WINDOW_SIZE instant moving time from %d to %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->last_window_size_update, now); |
| 456 |
#endif
|
| 457 |
//update time passing
|
| 458 |
q->last_window_size_update = now; |
| 459 |
//signal to give the update values to the UpdateQuality evaluation
|
| 460 |
//since we dont update long-term averaging every time, just do it at every window_seconds
|
| 461 |
update_quality_avg = 1;
|
| 462 |
} |
| 463 |
|
| 464 |
//calculate lost frames and skipped frames during playing only if we are called from a QueueGet
|
| 465 |
//averaging them in a short-sized time window
|
| 466 |
if(packet_index != -1) |
| 467 |
{
|
| 468 |
int real_window_size = 0; |
| 469 |
int lost_frames = 0; |
| 470 |
double percentage = 0.0; |
| 471 |
|
| 472 |
//self adjust window size
|
| 473 |
q->instant_window_size_target++; |
| 474 |
|
| 475 |
//compute lost frame statistics
|
| 476 |
if(q->last_frame_extracted > 0 && packet_index > q->last_frame_extracted) |
| 477 |
{
|
| 478 |
lost_frames = packet_index - q->last_frame_extracted - 1;
|
| 479 |
q->total_lost_frames += lost_frames; |
| 480 |
percentage = (double)q->total_lost_frames / (double)q->last_frame_extracted * 100.0; |
| 481 |
|
| 482 |
//save a trace of lost frames to file
|
| 483 |
//we have lost "lost_frames" frames starting from the last extracted (excluded of course)
|
| 484 |
UpdateLossTraces(q->queueType, q->last_frame_extracted+1, lost_frames);
|
| 485 |
|
| 486 |
//compute the frame loss rate inside the short-sized sliding window
|
| 487 |
q->loss_history[q->loss_history_index] = lost_frames; |
| 488 |
q->loss_history_index = (q->loss_history_index+1)%q->instant_window_size;
|
| 489 |
q->instant_lost_frames = 0.0; |
| 490 |
real_window_size = 0;
|
| 491 |
#ifdef DEBUG_STATS_DEEP
|
| 492 |
printf("STATS: QUALITY: %s UPDATE LOSS:", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
| 493 |
#endif
|
| 494 |
for(i=0; i<q->instant_window_size; i++) { |
| 495 |
//-1 means not initialized value or erased value due to window shrinking
|
| 496 |
if(q->loss_history[i] != -1) { |
| 497 |
real_window_size++; |
| 498 |
q->instant_lost_frames += (double)q->loss_history[i];
|
| 499 |
#ifdef DEBUG_STATS_DEEP
|
| 500 |
printf(" %d", q->loss_history[i]);
|
| 501 |
#endif
|
| 502 |
} |
| 503 |
#ifdef DEBUG_STATS_DEEP
|
| 504 |
else
|
| 505 |
printf(" *");
|
| 506 |
#endif
|
| 507 |
} |
| 508 |
#ifdef DEBUG_STATS_DEEP
|
| 509 |
printf("\n");
|
| 510 |
#endif
|
| 511 |
q->instant_lost_frames /= (double)q->instant_window_seconds; //express them in events/sec |
| 512 |
#ifdef DEBUG_STATS
|
| 513 |
if(q->queueType == AUDIO)
|
| 514 |
printf("STATS: AUDIO FRAMES LOST: instant %f, total %d, total percentage %f\n", q->instant_lost_frames, q->total_lost_frames, percentage);
|
| 515 |
else if(q->queueType == VIDEO) |
| 516 |
printf("STATS: VIDEO FRAMES LOST: instant %f, total %d, total percentage %f\n", q->instant_lost_frames, q->total_lost_frames, percentage);
|
| 517 |
|
| 518 |
printf("STATS: QUALITY: %s UPDATE LOSS instant window %d, real window %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->instant_window_size, real_window_size); |
| 519 |
#endif
|
| 520 |
} |
| 521 |
|
| 522 |
//compute the skip events inside the short-sized sliding window
|
| 523 |
int skips = q->total_skips - q->last_skips;
|
| 524 |
q->last_skips = q->total_skips; |
| 525 |
q->skip_history[q->skip_history_index] = skips; |
| 526 |
q->skip_history_index = (q->skip_history_index+1)%q->instant_window_size;
|
| 527 |
q->instant_skips = 0.0; |
| 528 |
real_window_size = 0;
|
| 529 |
#ifdef DEBUG_STATS_DEEP
|
| 530 |
printf("STATS: QUALITY: %s UPDATE SKIP:", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
| 531 |
#endif
|
| 532 |
for(i=0; i<q->instant_window_size; i++) { |
| 533 |
//-1 means not initialized value or erased value due to window shrinking
|
| 534 |
if(q->skip_history[i] != -1) { |
| 535 |
real_window_size++; |
| 536 |
q->instant_skips += (double)q->skip_history[i];
|
| 537 |
#ifdef DEBUG_STATS_DEEP
|
| 538 |
printf(" %d", q->skip_history[i]);
|
| 539 |
#endif
|
| 540 |
} |
| 541 |
#ifdef DEBUG_STATS_DEEP
|
| 542 |
else
|
| 543 |
printf(" *");
|
| 544 |
#endif
|
| 545 |
} |
| 546 |
#ifdef DEBUG_STATS_DEEP
|
| 547 |
printf("\n");
|
| 548 |
#endif
|
| 549 |
q->instant_skips /= (double)q->instant_window_seconds; //express them in events/sec |
| 550 |
#ifdef DEBUG_STATS
|
| 551 |
if(q->queueType == AUDIO)
|
| 552 |
printf("STATS: AUDIO SKIPS: instant %f, total %d\n", q->instant_skips, q->total_skips);
|
| 553 |
else if(q->queueType == VIDEO) |
| 554 |
printf("STATS: VIDEO SKIPS: instant %f, total %d\n", q->instant_skips, q->total_skips);
|
| 555 |
|
| 556 |
printf("STATS: QUALITY: %s UPDATE SKIP instant window %d, real window %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->instant_window_size, real_window_size); |
| 557 |
#endif
|
| 558 |
} |
| 559 |
|
| 560 |
//continuous estimate of the channel quality
|
| 561 |
//but print it only if it has changed since last time
|
| 562 |
if(UpdateQualityEvaluation(q->instant_lost_frames, q->instant_skips, update_quality_avg)) {
|
| 563 |
//display channel quality
|
| 564 |
char stats[255]; |
| 565 |
sprintf(stats, "%s - %s", Channels[SelectedChannel].Title, Channels[SelectedChannel].quality);
|
| 566 |
ChunkerPlayerGUI_SetChannelTitle(stats); |
| 567 |
} |
| 568 |
|
| 569 |
//if statistics estimate printout has changed since last time, display it
|
| 570 |
{
|
| 571 |
char stats[255]; |
| 572 |
if(q->queueType == AUDIO)
|
| 573 |
{
|
| 574 |
sprintf(stats, "[AUDIO] %d\%% qdensity - %d lost_frames/sec - %d lost_frames - %d skips/sec - %d skips", (int)q->density, (int)q->instant_lost_frames, q->total_lost_frames, (int)q->instant_skips, q->total_skips); |
| 575 |
} |
| 576 |
else if(q->queueType == VIDEO) |
| 577 |
{
|
| 578 |
sprintf(stats, "[VIDEO] %d\%% qdensity - %d lost_frames/sec - %d lost_frames - %d skips/sec - %d skips", (int)q->density, (int)q->instant_lost_frames, q->total_lost_frames, (int)q->instant_skips, q->total_skips); |
| 579 |
} |
| 580 |
if((strcmp(q->stats_message, stats) ) && ((now-q->last_stats_display) >= 1)) |
| 581 |
{
|
| 582 |
//statistics estimate have changed
|
| 583 |
sprintf(q->stats_message, "%s", stats);
|
| 584 |
if(q->queueType == AUDIO)
|
| 585 |
ChunkerPlayerGUI_SetStatsText(stats, NULL);
|
| 586 |
else if(q->queueType == VIDEO) |
| 587 |
ChunkerPlayerGUI_SetStatsText(NULL, stats);
|
| 588 |
|
| 589 |
q->last_stats_display = now; |
| 590 |
} |
| 591 |
} |
| 592 |
} |
| 593 |
|
| 594 |
//returns 1 if quality value has changed since last time
|
| 595 |
int UpdateQualityEvaluation(double instant_lost_frames, double instant_skips, int do_update) |
| 596 |
{
|
| 597 |
//as of now, we enter new samples in the long-term averaging once every sec,
|
| 598 |
//thus 120 samples worth of window size equals 2 minutes averaging
|
| 599 |
static int avg_window_size = 10; //averaging window size, self-correcting based on window_seconds |
| 600 |
static int avg_window_size_target = 0; |
| 601 |
static int avg_window_seconds = 10; //we want to compute number of events in a 2min wide window |
| 602 |
|
| 603 |
static int last_window_size_update = 0; |
| 604 |
|
| 605 |
char base_quality[255]; |
| 606 |
char quality[255]; |
| 607 |
int i;
|
| 608 |
int now = time(NULL); |
| 609 |
if(!last_window_size_update)
|
| 610 |
last_window_size_update = now; |
| 611 |
int runningTime = now - Channels[SelectedChannel].startTime;
|
| 612 |
|
| 613 |
if(runningTime <= 0) { |
| 614 |
runningTime = 1;
|
| 615 |
#ifdef DEBUG_STATS
|
| 616 |
printf("STATS: QUALITY warning channel runningTime %d. Set to one!\n", runningTime);
|
| 617 |
#endif
|
| 618 |
} |
| 619 |
|
| 620 |
//update continuously the quality score
|
| 621 |
Channels[SelectedChannel].instant_score = instant_skips + instant_lost_frames; |
| 622 |
|
| 623 |
if(do_update) {
|
| 624 |
#ifdef DEBUG_STATS
|
| 625 |
printf("STATS: QUALITY: UPDATE SCORE lost frames %f, skips %f\n", instant_lost_frames, instant_skips);
|
| 626 |
#endif
|
| 627 |
//every once in a while also enter samples in the long-term averaging window
|
| 628 |
Channels[SelectedChannel].score_history[Channels[SelectedChannel].history_index] = Channels[SelectedChannel].instant_score; |
| 629 |
Channels[SelectedChannel].history_index = (Channels[SelectedChannel].history_index+1)%avg_window_size;
|
| 630 |
|
| 631 |
Channels[SelectedChannel].average_score = 0.0; |
| 632 |
int real_window_size = 0; |
| 633 |
for(i=0; i<avg_window_size; i++) { |
| 634 |
//-1 means not initialized value or erased value due to window shrinking
|
| 635 |
if(Channels[SelectedChannel].score_history[i] != -1) { |
| 636 |
real_window_size++; |
| 637 |
Channels[SelectedChannel].average_score += Channels[SelectedChannel].score_history[i]; |
| 638 |
} |
| 639 |
} |
| 640 |
Channels[SelectedChannel].average_score /= (double)real_window_size; //average in the window |
| 641 |
Channels[SelectedChannel].average_score /= (double)avg_window_seconds; //express it in events/sec |
| 642 |
#ifdef DEBUG_STATS
|
| 643 |
printf("STATS: QUALITY: UPDATE SCORE avg window %d, real window %d\n", avg_window_size, real_window_size);
|
| 644 |
#endif
|
| 645 |
//whenever we enter a sample, enlarge the self-adjusting window target (it will be checked later on)
|
| 646 |
avg_window_size_target++; |
| 647 |
} |
| 648 |
#ifdef DEBUG_STATS
|
| 649 |
printf("STATS: QUALITY: instant skips %f, instant loss %f\n", instant_skips, instant_lost_frames);
|
| 650 |
printf("STATS: QUALITY: instant score %f, avg score %f\n", Channels[SelectedChannel].instant_score, Channels[SelectedChannel].average_score);
|
| 651 |
#endif
|
| 652 |
|
| 653 |
if(Channels[SelectedChannel].average_score > 0.02) { |
| 654 |
sprintf(base_quality, "POOR");
|
| 655 |
if(Channels[SelectedChannel].instant_score < Channels[SelectedChannel].average_score) {
|
| 656 |
sprintf(quality, "%s, GETTING BETTER", base_quality);
|
| 657 |
} |
| 658 |
else if(Channels[SelectedChannel].instant_score == Channels[SelectedChannel].average_score) { |
| 659 |
sprintf(quality, "%s, STABLE", base_quality);
|
| 660 |
} |
| 661 |
else {
|
| 662 |
sprintf(quality, "%s, GETTING WORSE", base_quality);
|
| 663 |
} |
| 664 |
} |
| 665 |
else {
|
| 666 |
sprintf(base_quality, "GOOD");
|
| 667 |
if(Channels[SelectedChannel].instant_score < Channels[SelectedChannel].average_score) {
|
| 668 |
sprintf(quality, "%s, GETTING BETTER", base_quality);
|
| 669 |
} |
| 670 |
else if(Channels[SelectedChannel].instant_score == Channels[SelectedChannel].average_score) { |
| 671 |
sprintf(quality, "%s, STABLE", base_quality);
|
| 672 |
} |
| 673 |
else {
|
| 674 |
sprintf(quality, "%s, GETTING WORSE", base_quality);
|
| 675 |
} |
| 676 |
} |
| 677 |
|
| 678 |
#ifdef DEBUG_STATS
|
| 679 |
printf("STATS: QUALITY %s\n", quality);
|
| 680 |
#endif
|
| 681 |
|
| 682 |
//dynamically self-adjust the instant_window_size based on the time passing
|
| 683 |
//to match it at our best, since we have no separate thread to count time
|
| 684 |
if((now - last_window_size_update) >= avg_window_seconds) {
|
| 685 |
int i = 0; |
| 686 |
//if window is enlarged, erase old samples
|
| 687 |
for(i=avg_window_size; i<avg_window_size_target; i++) {
|
| 688 |
Channels[SelectedChannel].score_history[i] = -1;
|
| 689 |
} |
| 690 |
avg_window_size = avg_window_size_target; |
| 691 |
#ifdef DEBUG_STATS
|
| 692 |
printf("STATS: WINDOW_SIZE avg set to %d\n", avg_window_size);
|
| 693 |
#endif
|
| 694 |
if(avg_window_size > CHANNEL_SCORE_HISTORY_SIZE) {
|
| 695 |
printf("ERROR: avg_window size updated to %d, which is more than the max of %d. Exiting.\n", avg_window_size, CHANNEL_SCORE_HISTORY_SIZE);
|
| 696 |
exit(1);
|
| 697 |
} |
| 698 |
avg_window_size_target = 0;
|
| 699 |
//update time passing
|
| 700 |
last_window_size_update = now; |
| 701 |
} |
| 702 |
|
| 703 |
if( strcmp(Channels[SelectedChannel].quality, quality) ) {
|
| 704 |
//quality estimate has changed
|
| 705 |
sprintf(Channels[SelectedChannel].quality, "%s", quality);
|
| 706 |
return 1; |
| 707 |
} |
| 708 |
else {
|
| 709 |
return 0; |
| 710 |
} |
| 711 |
} |
| 712 |
|
| 713 |
void UpdateLossTraces(int type, int first_lost, int n_lost) |
| 714 |
{
|
| 715 |
FILE *lossFile; |
| 716 |
int i;
|
| 717 |
|
| 718 |
// Open loss traces file
|
| 719 |
char filename[255]; |
| 720 |
if(type == AUDIO)
|
| 721 |
sprintf(filename, "audio_%s", LossTracesFilename);
|
| 722 |
else
|
| 723 |
sprintf(filename, "video_%s", LossTracesFilename);
|
| 724 |
|
| 725 |
lossFile=fopen(filename, "a");
|
| 726 |
if(lossFile==NULL) { |
| 727 |
printf("STATS: UNABLE TO OPEN Loss FILE: %s\n", filename);
|
| 728 |
return;
|
| 729 |
} |
| 730 |
|
| 731 |
for(i=0; i<n_lost; i++) { |
| 732 |
fprintf(lossFile, "%d\n", first_lost+i);
|
| 733 |
} |
| 734 |
|
| 735 |
fclose(lossFile); |
| 736 |
} |
| 737 |
|
| 738 |
int PacketQueueGet(PacketQueue *q, AVPacket *pkt, short int av) { |
| 739 |
//AVPacket tmp;
|
| 740 |
AVPacketList *pkt1 = NULL;
|
| 741 |
int ret=-1; |
| 742 |
int SizeToCopy=0; |
| 743 |
|
| 744 |
SDL_LockMutex(q->mutex); |
| 745 |
|
| 746 |
#ifdef DEBUG_QUEUE
|
| 747 |
printf("QUEUE: Get NPackets=%d Type=%s\n", q->nb_packets, (q->queueType==AUDIO) ? "AUDIO" : "VIDEO"); |
| 748 |
#endif
|
| 749 |
|
| 750 |
if((q->queueType==AUDIO && QueueFillingMode) || QueueStopped)
|
| 751 |
{
|
| 752 |
SDL_UnlockMutex(q->mutex); |
| 753 |
return -1; |
| 754 |
} |
| 755 |
|
| 756 |
if(av==1) { //somebody requested an audio packet, q is the audio queue |
| 757 |
//try to dequeue the first packet of the audio queue
|
| 758 |
pkt1 = SeekAndDecodePacketStartingFrom(q->first_pkt, q); |
| 759 |
if(pkt1) { //yes we have them! |
| 760 |
if(pkt1->pkt.size-AudioQueueOffset > dimAudioQ) {
|
| 761 |
//one packet if enough to give us the requested number of bytes by the audio_callback
|
| 762 |
#ifdef DEBUG_QUEUE_DEEP
|
| 763 |
printf(" AV=1 and Extract from the same packet\n");
|
| 764 |
#endif
|
| 765 |
pkt->size = dimAudioQ; |
| 766 |
memcpy(pkt->data,pkt1->pkt.data+AudioQueueOffset,dimAudioQ); |
| 767 |
pkt->dts = pkt1->pkt.dts; |
| 768 |
pkt->pts = pkt1->pkt.pts; |
| 769 |
pkt->stream_index = pkt1->pkt.stream_index;//1;
|
| 770 |
pkt->flags = 1;
|
| 771 |
pkt->pos = -1;
|
| 772 |
pkt->convergence_duration = -1;
|
| 773 |
#ifdef DEBUG_QUEUE_DEEP
|
| 774 |
printf(" Adjust timestamps Old = %lld New = %lld\n", pkt1->pkt.dts, (int64_t)(pkt1->pkt.dts + deltaAudioQ + deltaAudioQError));
|
| 775 |
#endif
|
| 776 |
int64_t Olddts=pkt1->pkt.dts; |
| 777 |
pkt1->pkt.dts += deltaAudioQ + deltaAudioQError; |
| 778 |
pkt1->pkt.pts += deltaAudioQ + deltaAudioQError; |
| 779 |
deltaAudioQError=(float)Olddts + deltaAudioQ + deltaAudioQError - (float)pkt1->pkt.dts; |
| 780 |
AudioQueueOffset += dimAudioQ; |
| 781 |
#ifdef DEBUG_QUEUE_DEEP
|
| 782 |
printf(" deltaAudioQError = %f\n",deltaAudioQError);
|
| 783 |
#endif
|
| 784 |
//update overall state of queue
|
| 785 |
//size is diminished because we played some audio samples
|
| 786 |
//but packet is not removed since a portion has still to be played
|
| 787 |
//HINT ERRATA we had a size mismatch since size grows with the
|
| 788 |
//number of compressed bytes, and diminishes here with the number
|
| 789 |
//of raw uncompressed bytes, hence we update size during the
|
| 790 |
//real removes and not here anymore
|
| 791 |
//q->size -= dimAudioQ;
|
| 792 |
UpdateQueueStats(q, pkt->stream_index); |
| 793 |
//update index of last frame extracted
|
| 794 |
q->last_frame_extracted = pkt->stream_index; |
| 795 |
#ifdef DEBUG_AUDIO_BUFFER
|
| 796 |
printf("1: idx %d \taqo %d \tstc %d \taqe %f \tpsz %d\n", pkt1->pkt.stream_index, AudioQueueOffset, SizeToCopy, deltaAudioQError, pkt1->pkt.size);
|
| 797 |
#endif
|
| 798 |
ret = 1; //OK |
| 799 |
} |
| 800 |
else {
|
| 801 |
//we need bytes from two consecutive packets to satisfy the audio_callback
|
| 802 |
#ifdef DEBUG_QUEUE_DEEP
|
| 803 |
printf(" AV = 1 and Extract from 2 packets\n");
|
| 804 |
#endif
|
| 805 |
//check for a valid next packet since we will finish the current packet
|
| 806 |
//and also take some bytes from the next one
|
| 807 |
pkt1->next = SeekAndDecodePacketStartingFrom(pkt1->next, q); |
| 808 |
if(pkt1->next) {
|
| 809 |
#ifdef DEBUG_QUEUE_DEEP
|
| 810 |
printf(" we have a next...\n");
|
| 811 |
#endif
|
| 812 |
pkt->size = dimAudioQ; |
| 813 |
pkt->dts = pkt1->pkt.dts; |
| 814 |
pkt->pts = pkt1->pkt.pts; |
| 815 |
pkt->stream_index = pkt1->pkt.stream_index;//1;
|
| 816 |
pkt->flags = 1;
|
| 817 |
pkt->pos = -1;
|
| 818 |
pkt->convergence_duration = -1;
|
| 819 |
{
|
| 820 |
SizeToCopy=pkt1->pkt.size-AudioQueueOffset; |
| 821 |
#ifdef DEBUG_QUEUE_DEEP
|
| 822 |
printf(" SizeToCopy=%d\n",SizeToCopy);
|
| 823 |
#endif
|
| 824 |
memcpy(pkt->data, pkt1->pkt.data+AudioQueueOffset, SizeToCopy); |
| 825 |
memcpy(pkt->data+SizeToCopy, pkt1->next->pkt.data, (dimAudioQ-SizeToCopy)*sizeof(uint8_t));
|
| 826 |
} |
| 827 |
#ifdef DEBUG_AUDIO_BUFFER
|
| 828 |
printf("2: idx %d \taqo %d \tstc %d \taqe %f \tpsz %d\n", pkt1->pkt.stream_index, AudioQueueOffset, SizeToCopy, deltaAudioQError, pkt1->pkt.size);
|
| 829 |
#endif
|
| 830 |
} |
| 831 |
#ifdef DEBUG_AUDIO_BUFFER
|
| 832 |
else {
|
| 833 |
printf("2: NONEXT\n");
|
| 834 |
} |
| 835 |
#endif
|
| 836 |
//HINT SEE before q->size -= SizeToCopy;
|
| 837 |
q->first_pkt = RemoveFromQueue(q, pkt1); |
| 838 |
|
| 839 |
// Adjust timestamps
|
| 840 |
pkt1 = q->first_pkt; |
| 841 |
if(pkt1) {
|
| 842 |
int Offset=(dimAudioQ-SizeToCopy)*1000/(AudioSpecification.freq*2*AudioSpecification.channels); |
| 843 |
int64_t LastDts=pkt1->pkt.dts; |
| 844 |
pkt1->pkt.dts += Offset + deltaAudioQError; |
| 845 |
pkt1->pkt.pts += Offset + deltaAudioQError; |
| 846 |
deltaAudioQError = (float)LastDts + (float)Offset + deltaAudioQError - (float)pkt1->pkt.dts; |
| 847 |
#ifdef DEBUG_QUEUE_DEEP
|
| 848 |
printf(" Adjust timestamps Old = %lld New = %lld\n", LastDts, pkt1->pkt.dts);
|
| 849 |
#endif
|
| 850 |
AudioQueueOffset = dimAudioQ - SizeToCopy; |
| 851 |
//SEE BEFORE HINT q->size -= AudioQueueOffset;
|
| 852 |
ret = 1;
|
| 853 |
UpdateQueueStats(q, pkt->stream_index); |
| 854 |
} |
| 855 |
else {
|
| 856 |
AudioQueueOffset=0;
|
| 857 |
} |
| 858 |
#ifdef DEBUG_QUEUE_DEEP
|
| 859 |
printf(" deltaAudioQError = %f\n",deltaAudioQError);
|
| 860 |
#endif
|
| 861 |
//update index of last frame extracted
|
| 862 |
q->last_frame_extracted = pkt->stream_index; |
| 863 |
} |
| 864 |
} |
| 865 |
} |
| 866 |
else { //somebody requested a video packet, q is the video queue |
| 867 |
pkt1 = q->first_pkt; |
| 868 |
if(pkt1) {
|
| 869 |
#ifdef DEBUG_QUEUE_DEEP
|
| 870 |
printf(" AV not 1\n");
|
| 871 |
#endif
|
| 872 |
pkt->size = pkt1->pkt.size; |
| 873 |
pkt->dts = pkt1->pkt.dts; |
| 874 |
pkt->pts = pkt1->pkt.pts; |
| 875 |
pkt->stream_index = pkt1->pkt.stream_index; |
| 876 |
pkt->flags = pkt1->pkt.flags; |
| 877 |
pkt->pos = pkt1->pkt.pos; |
| 878 |
pkt->convergence_duration = pkt1->pkt.convergence_duration; |
| 879 |
//*pkt = pkt1->pkt;
|
| 880 |
|
| 881 |
if((pkt->data != NULL) && (pkt1->pkt.data != NULL)) |
| 882 |
memcpy(pkt->data, pkt1->pkt.data, pkt1->pkt.size); |
| 883 |
|
| 884 |
//HINT SEE BEFORE q->size -= pkt1->pkt.size;
|
| 885 |
q->first_pkt = RemoveFromQueue(q, pkt1); |
| 886 |
|
| 887 |
ret = 1;
|
| 888 |
UpdateQueueStats(q, pkt->stream_index); |
| 889 |
//update index of last frame extracted
|
| 890 |
q->last_frame_extracted = pkt->stream_index; |
| 891 |
} |
| 892 |
#ifdef DEBUG_QUEUE
|
| 893 |
else {
|
| 894 |
printf(" VIDEO pk1 NULL!!!!\n");
|
| 895 |
} |
| 896 |
#endif
|
| 897 |
} |
| 898 |
|
| 899 |
if(q->nb_packets==0 && q->queueType==AUDIO) { |
| 900 |
QueueFillingMode=1;
|
| 901 |
#ifdef DEBUG_QUEUE
|
| 902 |
printf("QUEUE: Get FillingMode ON\n");
|
| 903 |
#endif
|
| 904 |
} |
| 905 |
#ifdef DEBUG_QUEUE
|
| 906 |
printf("QUEUE: Get Last %s Frame Extracted = %d\n", (q->queueType==AUDIO) ? "AUDIO" : "VIDEO", q->last_frame_extracted); |
| 907 |
#endif
|
| 908 |
|
| 909 |
SDL_UnlockMutex(q->mutex); |
| 910 |
return ret;
|
| 911 |
} |
| 912 |
|
| 913 |
int AudioDecodeFrame(uint8_t *audio_buf, int buf_size) { |
| 914 |
//struct timeval now;
|
| 915 |
int audio_pkt_size = 0; |
| 916 |
long long Now; |
| 917 |
short int DecodeAudio=0, SkipAudio=0; |
| 918 |
//int len1, data_size;
|
| 919 |
|
| 920 |
//gettimeofday(&now,NULL);
|
| 921 |
//Now = (now.tv_sec)*1000+now.tv_usec/1000;
|
| 922 |
Now=(long long)SDL_GetTicks(); |
| 923 |
|
| 924 |
if(QueueFillingMode || QueueStopped)
|
| 925 |
{
|
| 926 |
//SDL_LockMutex(timing_mutex);
|
| 927 |
FirstTimeAudio=1;
|
| 928 |
FirstTime = 1;
|
| 929 |
//SDL_UnlockMutex(timing_mutex);
|
| 930 |
return -1; |
| 931 |
} |
| 932 |
|
| 933 |
if((FirstTime==1 || FirstTimeAudio==1) && audioq.size>0) { |
| 934 |
if(audioq.first_pkt->pkt.pts>0) |
| 935 |
{
|
| 936 |
//SDL_LockMutex(timing_mutex);
|
| 937 |
DeltaTime=Now-(long long)(audioq.first_pkt->pkt.pts); |
| 938 |
FirstTimeAudio = 0;
|
| 939 |
FirstTime = 0;
|
| 940 |
//SDL_UnlockMutex(timing_mutex);
|
| 941 |
#ifdef DEBUG_AUDIO
|
| 942 |
printf("AUDIO: audio_decode_frame - DeltaTimeAudio=%lld\n",DeltaTime);
|
| 943 |
#endif
|
| 944 |
} |
| 945 |
} |
| 946 |
|
| 947 |
#ifdef DEBUG_AUDIO
|
| 948 |
if(audioq.first_pkt)
|
| 949 |
{
|
| 950 |
printf("AUDIO: audio_decode_frame - Syncro params: Delta:%lld Now:%lld pts=%lld pts+Delta=%lld ",(long long)DeltaTime,Now,(long long)audioq.first_pkt->pkt.pts,(long long)audioq.first_pkt->pkt.pts+DeltaTime); |
| 951 |
printf("AUDIO: QueueLen=%d ",(int)audioq.nb_packets); |
| 952 |
printf("AUDIO: QueueSize=%d\n",(int)audioq.size); |
| 953 |
} |
| 954 |
else
|
| 955 |
printf("AUDIO: audio_decode_frame - Empty queue\n");
|
| 956 |
#endif
|
| 957 |
|
| 958 |
|
| 959 |
if(audioq.nb_packets>0) { |
| 960 |
if((long long)audioq.first_pkt->pkt.pts+DeltaTime<Now-(long long)MAX_TOLLERANCE) { |
| 961 |
SkipAudio = 1;
|
| 962 |
DecodeAudio = 0;
|
| 963 |
} |
| 964 |
else if((long long)audioq.first_pkt->pkt.pts+DeltaTime>=Now-(long long)MAX_TOLLERANCE && |
| 965 |
(long long)audioq.first_pkt->pkt.pts+DeltaTime<=Now+(long long)MAX_TOLLERANCE) { |
| 966 |
SkipAudio = 0;
|
| 967 |
DecodeAudio = 1;
|
| 968 |
} |
| 969 |
} |
| 970 |
|
| 971 |
while(SkipAudio==1 && audioq.size>0) { |
| 972 |
audioq.total_skips++; |
| 973 |
SkipAudio = 0;
|
| 974 |
#ifdef DEBUG_AUDIO
|
| 975 |
printf("AUDIO: skipaudio: queue size=%d\n",audioq.size);
|
| 976 |
#endif
|
| 977 |
if(PacketQueueGet(&audioq,&AudioPkt,1) < 0) { |
| 978 |
return -1; |
| 979 |
} |
| 980 |
if(audioq.first_pkt)
|
| 981 |
{
|
| 982 |
if((long long)audioq.first_pkt->pkt.pts+DeltaTime<Now-(long long)MAX_TOLLERANCE) { |
| 983 |
SkipAudio = 1;
|
| 984 |
DecodeAudio = 0;
|
| 985 |
} |
| 986 |
else if((long long)audioq.first_pkt->pkt.pts+DeltaTime>=Now-(long long)MAX_TOLLERANCE && |
| 987 |
(long long)audioq.first_pkt->pkt.pts+DeltaTime<=Now+(long long)MAX_TOLLERANCE) { |
| 988 |
SkipAudio = 0;
|
| 989 |
DecodeAudio = 1;
|
| 990 |
} |
| 991 |
} |
| 992 |
} |
| 993 |
if(DecodeAudio==1) { |
| 994 |
if(PacketQueueGet(&audioq,&AudioPkt,1) < 0) { |
| 995 |
return -1; |
| 996 |
} |
| 997 |
memcpy(audio_buf,AudioPkt.data,AudioPkt.size); |
| 998 |
audio_pkt_size = AudioPkt.size; |
| 999 |
#ifdef DEBUG_AUDIO
|
| 1000 |
printf("AUDIO: Decode audio\n");
|
| 1001 |
#endif
|
| 1002 |
} |
| 1003 |
|
| 1004 |
return audio_pkt_size;
|
| 1005 |
} |
| 1006 |
|
| 1007 |
int VideoCallback(void *valthread) |
| 1008 |
{
|
| 1009 |
//AVPacket pktvideo;
|
| 1010 |
AVCodecContext *pCodecCtx; |
| 1011 |
AVCodec *pCodec; |
| 1012 |
AVFrame *pFrame; |
| 1013 |
int frameFinished;
|
| 1014 |
AVPicture pict; |
| 1015 |
long long Now; |
| 1016 |
short int SkipVideo, DecodeVideo; |
| 1017 |
|
| 1018 |
//double frame_rate = 0.0,time_between_frames=0.0;
|
| 1019 |
//struct timeval now;
|
| 1020 |
|
| 1021 |
//int wait_for_sync = 1;
|
| 1022 |
ThreadVal *tval; |
| 1023 |
tval = (ThreadVal *)valthread; |
| 1024 |
|
| 1025 |
//frame_rate = tval->framerate;
|
| 1026 |
//time_between_frames = 1.e6 / frame_rate;
|
| 1027 |
//gettimeofday(&time_now,0);
|
| 1028 |
|
| 1029 |
//frecon = fopen("recondechunk.mpg","wb");
|
| 1030 |
|
| 1031 |
pCodecCtx=avcodec_alloc_context(); |
| 1032 |
pCodecCtx->codec_type = CODEC_TYPE_VIDEO; |
| 1033 |
#ifdef H264_VIDEO_ENCODER
|
| 1034 |
pCodecCtx->codec_id = CODEC_ID_H264; |
| 1035 |
pCodecCtx->me_range = 16;
|
| 1036 |
pCodecCtx->max_qdiff = 4;
|
| 1037 |
pCodecCtx->qmin = 1;
|
| 1038 |
pCodecCtx->qmax = 30;
|
| 1039 |
pCodecCtx->qcompress = 0.6; |
| 1040 |
#else
|
| 1041 |
pCodecCtx->codec_id = CODEC_ID_MPEG4; |
| 1042 |
#endif
|
| 1043 |
//pCodecCtx->bit_rate = 400000;
|
| 1044 |
// resolution must be a multiple of two
|
| 1045 |
pCodecCtx->width = tval->width;//176;//352;
|
| 1046 |
pCodecCtx->height = tval->height;//144;//288;
|
| 1047 |
|
| 1048 |
// frames per second
|
| 1049 |
//pCodecCtx->time_base = (AVRational){1,25};
|
| 1050 |
//pCodecCtx->gop_size = 10; // emit one intra frame every ten frames
|
| 1051 |
//pCodecCtx->max_b_frames=1;
|
| 1052 |
pCodecCtx->pix_fmt = PIX_FMT_YUV420P; |
| 1053 |
pCodec=avcodec_find_decoder(pCodecCtx->codec_id); |
| 1054 |
|
| 1055 |
if(pCodec==NULL) { |
| 1056 |
fprintf(stderr, "Unsupported codec!\n");
|
| 1057 |
return -1; // Codec not found |
| 1058 |
} |
| 1059 |
if(avcodec_open(pCodecCtx, pCodec) < 0) { |
| 1060 |
fprintf(stderr, "could not open codec\n");
|
| 1061 |
return -1; // Could not open codec |
| 1062 |
} |
| 1063 |
pFrame=avcodec_alloc_frame(); |
| 1064 |
if(pFrame==NULL) { |
| 1065 |
printf("Memory error!!!\n");
|
| 1066 |
return -1; |
| 1067 |
} |
| 1068 |
|
| 1069 |
#ifdef DEBUG_VIDEO
|
| 1070 |
printf("VIDEO: video_callback entering main cycle\n");
|
| 1071 |
#endif
|
| 1072 |
while(AVPlaying && !quit) {
|
| 1073 |
if(QueueFillingMode || QueueStopped)
|
| 1074 |
{
|
| 1075 |
//SDL_LockMutex(timing_mutex);
|
| 1076 |
FirstTime = 1;
|
| 1077 |
//SDL_UnlockMutex(timing_mutex);
|
| 1078 |
usleep(5000);
|
| 1079 |
continue;
|
| 1080 |
} |
| 1081 |
|
| 1082 |
DecodeVideo = 0;
|
| 1083 |
SkipVideo = 0;
|
| 1084 |
Now=(long long)SDL_GetTicks(); |
| 1085 |
if(FirstTime==1 && videoq.size>0) { |
| 1086 |
if(videoq.first_pkt->pkt.pts>0) |
| 1087 |
{
|
| 1088 |
//SDL_LockMutex(timing_mutex);
|
| 1089 |
DeltaTime=Now-(long long)videoq.first_pkt->pkt.pts; |
| 1090 |
FirstTime = 0;
|
| 1091 |
//SDL_UnlockMutex(timing_mutex);
|
| 1092 |
} |
| 1093 |
#ifdef DEBUG_VIDEO
|
| 1094 |
printf("VIDEO: VideoCallback - DeltaTimeAudio=%lld\n",DeltaTime);
|
| 1095 |
#endif
|
| 1096 |
} |
| 1097 |
|
| 1098 |
#ifdef DEBUG_VIDEO
|
| 1099 |
if(videoq.first_pkt)
|
| 1100 |
{
|
| 1101 |
printf("VIDEO: VideoCallback - Syncro params: Delta:%lld Now:%lld pts=%lld pts+Delta=%lld ",(long long)DeltaTime,Now,(long long)videoq.first_pkt->pkt.pts,(long long)videoq.first_pkt->pkt.pts+DeltaTime); |
| 1102 |
printf("VIDEO: Index=%d ", (int)videoq.first_pkt->pkt.stream_index); |
| 1103 |
printf("VIDEO: QueueLen=%d ", (int)videoq.nb_packets); |
| 1104 |
printf("VIDEO: QueueSize=%d\n", (int)videoq.size); |
| 1105 |
} |
| 1106 |
else
|
| 1107 |
printf("VIDEO: VideoCallback - Empty queue\n");
|
| 1108 |
#endif
|
| 1109 |
|
| 1110 |
if(videoq.nb_packets>0) { |
| 1111 |
if(((long long)videoq.first_pkt->pkt.pts+DeltaTime)<Now-(long long)MAX_TOLLERANCE) { |
| 1112 |
SkipVideo = 1;
|
| 1113 |
DecodeVideo = 0;
|
| 1114 |
} |
| 1115 |
else
|
| 1116 |
if(((long long)videoq.first_pkt->pkt.pts+DeltaTime)>=Now-(long long)MAX_TOLLERANCE && |
| 1117 |
((long long)videoq.first_pkt->pkt.pts+DeltaTime)<=Now+(long long)MAX_TOLLERANCE) { |
| 1118 |
SkipVideo = 0;
|
| 1119 |
DecodeVideo = 1;
|
| 1120 |
} |
| 1121 |
} |
| 1122 |
#ifdef DEBUG_VIDEO
|
| 1123 |
printf("VIDEO: skipvideo:%d decodevideo:%d\n",SkipVideo,DecodeVideo);
|
| 1124 |
#endif
|
| 1125 |
|
| 1126 |
while(SkipVideo==1 && videoq.size>0) { |
| 1127 |
videoq.total_skips++; |
| 1128 |
SkipVideo = 0;
|
| 1129 |
#ifdef DEBUG_VIDEO
|
| 1130 |
printf("VIDEO: Skip Video\n");
|
| 1131 |
#endif
|
| 1132 |
if(PacketQueueGet(&videoq,&VideoPkt,0) < 0) { |
| 1133 |
break;
|
| 1134 |
} |
| 1135 |
avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &VideoPkt); |
| 1136 |
if(videoq.first_pkt)
|
| 1137 |
{
|
| 1138 |
if((long long)videoq.first_pkt->pkt.pts+DeltaTime<Now-(long long)MAX_TOLLERANCE) { |
| 1139 |
SkipVideo = 1;
|
| 1140 |
DecodeVideo = 0;
|
| 1141 |
} |
| 1142 |
else if((long long)videoq.first_pkt->pkt.pts+DeltaTime>=Now-(long long)MAX_TOLLERANCE && |
| 1143 |
(long long)videoq.first_pkt->pkt.pts+DeltaTime<=Now+(long long)MAX_TOLLERANCE) { |
| 1144 |
SkipVideo = 0;
|
| 1145 |
DecodeVideo = 1;
|
| 1146 |
} |
| 1147 |
} |
| 1148 |
} |
| 1149 |
|
| 1150 |
if(DecodeVideo==1) { |
| 1151 |
if(PacketQueueGet(&videoq,&VideoPkt,0) > 0) { |
| 1152 |
|
| 1153 |
#ifdef DEBUG_VIDEO
|
| 1154 |
printf("VIDEO: Decode video FrameTime=%lld Now=%lld\n",(long long)VideoPkt.pts+DeltaTime,Now); |
| 1155 |
#endif
|
| 1156 |
|
| 1157 |
avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &VideoPkt); |
| 1158 |
|
| 1159 |
if(frameFinished) { // it must be true all the time else error |
| 1160 |
#ifdef DEBUG_VIDEO
|
| 1161 |
printf("VIDEO: FrameFinished\n");
|
| 1162 |
#endif
|
| 1163 |
if(SaveYUV)
|
| 1164 |
SaveFrame(pFrame, pCodecCtx->width, pCodecCtx->height); |
| 1165 |
//fwrite(pktvideo.data, 1, pktvideo.size, frecon);
|
| 1166 |
|
| 1167 |
if(SilentMode)
|
| 1168 |
continue;
|
| 1169 |
|
| 1170 |
// Lock SDL_yuv_overlay
|
| 1171 |
if(SDL_MUSTLOCK(MainScreen)) {
|
| 1172 |
if(SDL_LockSurface(MainScreen) < 0) { |
| 1173 |
continue;
|
| 1174 |
} |
| 1175 |
} |
| 1176 |
|
| 1177 |
if(SDL_LockYUVOverlay(YUVOverlay) < 0) { |
| 1178 |
if(SDL_MUSTLOCK(MainScreen)) {
|
| 1179 |
SDL_UnlockSurface(MainScreen); |
| 1180 |
} |
| 1181 |
continue;
|
| 1182 |
} |
| 1183 |
|
| 1184 |
pict.data[0] = YUVOverlay->pixels[0]; |
| 1185 |
pict.data[1] = YUVOverlay->pixels[2]; |
| 1186 |
pict.data[2] = YUVOverlay->pixels[1]; |
| 1187 |
|
| 1188 |
pict.linesize[0] = YUVOverlay->pitches[0]; |
| 1189 |
pict.linesize[1] = YUVOverlay->pitches[2]; |
| 1190 |
pict.linesize[2] = YUVOverlay->pitches[1]; |
| 1191 |
|
| 1192 |
if(img_convert_ctx == NULL) { |
| 1193 |
img_convert_ctx = sws_getContext(tval->width, tval->height, PIX_FMT_YUV420P, InitRect->w, InitRect->h, PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL); |
| 1194 |
if(img_convert_ctx == NULL) { |
| 1195 |
fprintf(stderr, "Cannot initialize the conversion context!\n");
|
| 1196 |
exit(1);
|
| 1197 |
} |
| 1198 |
} |
| 1199 |
// let's draw the data (*yuv[3]) on a SDL screen (*screen)
|
| 1200 |
sws_scale(img_convert_ctx, pFrame->data, pFrame->linesize, 0, tval->height, pict.data, pict.linesize);
|
| 1201 |
SDL_UnlockYUVOverlay(YUVOverlay); |
| 1202 |
// Show, baby, show!
|
| 1203 |
SDL_LockMutex(OverlayMutex); |
| 1204 |
SDL_DisplayYUVOverlay(YUVOverlay, &OverlayRect); |
| 1205 |
SDL_UnlockMutex(OverlayMutex); |
| 1206 |
|
| 1207 |
//redisplay logo
|
| 1208 |
/**SDL_BlitSurface(image, NULL, MainScreen, &dest);*/
|
| 1209 |
/* Update the screen area just changed */
|
| 1210 |
/**SDL_UpdateRects(MainScreen, 1, &dest);*/
|
| 1211 |
|
| 1212 |
if(SDL_MUSTLOCK(MainScreen)) {
|
| 1213 |
SDL_UnlockSurface(MainScreen); |
| 1214 |
} |
| 1215 |
} //if FrameFinished
|
| 1216 |
} // if packet_queue_get
|
| 1217 |
} //if DecodeVideo=1
|
| 1218 |
|
| 1219 |
usleep(5000);
|
| 1220 |
} |
| 1221 |
|
| 1222 |
av_free(pCodecCtx); |
| 1223 |
av_free(pFrame); |
| 1224 |
//fclose(frecon);
|
| 1225 |
#ifdef DEBUG_VIDEO
|
| 1226 |
printf("VIDEO: video callback end\n");
|
| 1227 |
#endif
|
| 1228 |
return 0; |
| 1229 |
} |
| 1230 |
|
| 1231 |
void AudioCallback(void *userdata, Uint8 *stream, int len) |
| 1232 |
{
|
| 1233 |
//AVCodecContext *aCodecCtx = (AVCodecContext *)userdata;
|
| 1234 |
int audio_size;
|
| 1235 |
|
| 1236 |
static uint8_t audio_buf[AVCODEC_MAX_AUDIO_FRAME_SIZE];
|
| 1237 |
|
| 1238 |
audio_size = AudioDecodeFrame(audio_buf, sizeof(audio_buf));
|
| 1239 |
|
| 1240 |
if(!SilentMode)
|
| 1241 |
if(audio_size != len) {
|
| 1242 |
memset(stream, 0, len);
|
| 1243 |
} else {
|
| 1244 |
memcpy(stream, (uint8_t *)audio_buf, len); |
| 1245 |
} |
| 1246 |
} |
| 1247 |
|
| 1248 |
void SaveFrame(AVFrame *pFrame, int width, int height) |
| 1249 |
{
|
| 1250 |
FILE *pFile; |
| 1251 |
int y;
|
| 1252 |
|
| 1253 |
// Open file
|
| 1254 |
pFile=fopen(YUVFileName, "ab");
|
| 1255 |
if(pFile==NULL) |
| 1256 |
return;
|
| 1257 |
|
| 1258 |
// Write header
|
| 1259 |
//fprintf(pFile, "P5\n%d %d\n255\n", width, height);
|
| 1260 |
|
| 1261 |
// Write Y data
|
| 1262 |
for(y=0; y<height; y++) |
| 1263 |
fwrite(pFrame->data[0]+y*pFrame->linesize[0], 1, width, pFile); |
| 1264 |
// Write U data
|
| 1265 |
for(y=0; y<height/2; y++) |
| 1266 |
fwrite(pFrame->data[1]+y*pFrame->linesize[1], 1, width/2, pFile); |
| 1267 |
// Write V data
|
| 1268 |
for(y=0; y<height/2; y++) |
| 1269 |
fwrite(pFrame->data[2]+y*pFrame->linesize[2], 1, width/2, pFile); |
| 1270 |
|
| 1271 |
// Close file
|
| 1272 |
fclose(pFile); |
| 1273 |
} |
| 1274 |
|
| 1275 |
int ChunkerPlayerCore_IsRunning()
|
| 1276 |
{
|
| 1277 |
return AVPlaying;
|
| 1278 |
} |
| 1279 |
|
| 1280 |
void ChunkerPlayerCore_Play()
|
| 1281 |
{
|
| 1282 |
if(AVPlaying) return; |
| 1283 |
|
| 1284 |
AVPlaying = 1;
|
| 1285 |
SDL_PauseAudio(0);
|
| 1286 |
video_thread = SDL_CreateThread(VideoCallback, &VideoCallbackThreadParams); |
| 1287 |
} |
| 1288 |
|
| 1289 |
void ChunkerPlayerCore_Stop()
|
| 1290 |
{
|
| 1291 |
if(!AVPlaying) return; |
| 1292 |
|
| 1293 |
AVPlaying = 0;
|
| 1294 |
|
| 1295 |
// Stop audio&video playback
|
| 1296 |
SDL_WaitThread(video_thread, NULL);
|
| 1297 |
SDL_PauseAudio(1);
|
| 1298 |
SDL_CloseAudio(); |
| 1299 |
|
| 1300 |
if(YUVOverlay != NULL) |
| 1301 |
{
|
| 1302 |
SDL_FreeYUVOverlay(YUVOverlay); |
| 1303 |
YUVOverlay = NULL;
|
| 1304 |
} |
| 1305 |
|
| 1306 |
PacketQueueReset(&audioq); |
| 1307 |
PacketQueueReset(&videoq); |
| 1308 |
|
| 1309 |
av_free(aCodecCtx); |
| 1310 |
free(AudioPkt.data); |
| 1311 |
free(VideoPkt.data); |
| 1312 |
free(outbuf_audio); |
| 1313 |
free(InitRect); |
| 1314 |
|
| 1315 |
/*
|
| 1316 |
* Sleep two buffers' worth of audio before closing, in order
|
| 1317 |
* to allow the playback to finish. This isn't always enough;
|
| 1318 |
* perhaps SDL needs a way to explicitly wait for device drain?
|
| 1319 |
*/
|
| 1320 |
int delay = 2 * 1000 * CurrentAudioSamples / CurrentAudioFreq; |
| 1321 |
printf("SDL_Delay(%d)\n", delay);
|
| 1322 |
SDL_Delay(delay); |
| 1323 |
} |
| 1324 |
|
| 1325 |
int ChunkerPlayerCore_AudioEnded()
|
| 1326 |
{
|
| 1327 |
return (audioq.nb_packets==0 && audioq.last_frame_extracted>0); |
| 1328 |
} |
| 1329 |
|
| 1330 |
void ChunkerPlayerCore_ResetAVQueues()
|
| 1331 |
{
|
| 1332 |
#ifdef DEBUG_QUEUE
|
| 1333 |
printf("QUEUE: MAIN SHOULD RESET\n");
|
| 1334 |
#endif
|
| 1335 |
PacketQueueReset(&audioq); |
| 1336 |
PacketQueueReset(&videoq); |
| 1337 |
} |
| 1338 |
|
| 1339 |
int ChunkerPlayerCore_EnqueueBlocks(const uint8_t *block, const int block_size) |
| 1340 |
{
|
| 1341 |
Chunk *gchunk = NULL;
|
| 1342 |
int decoded_size = -1; |
| 1343 |
uint8_t *tempdata, *buffer; |
| 1344 |
int j;
|
| 1345 |
Frame *frame = NULL;
|
| 1346 |
AVPacket packet, packetaudio; |
| 1347 |
|
| 1348 |
uint16_t *audio_bufQ = NULL;
|
| 1349 |
|
| 1350 |
//the frame.h gets encoded into 5 slots of 32bits (3 ints plus 2 more for the timeval struct
|
| 1351 |
static int sizeFrameHeader = 5*sizeof(int32_t); |
| 1352 |
static int ExternalChunk_header_size = 5*CHUNK_TRANSCODING_INT_SIZE + 2*CHUNK_TRANSCODING_INT_SIZE + 2*CHUNK_TRANSCODING_INT_SIZE + 1*CHUNK_TRANSCODING_INT_SIZE*2; |
| 1353 |
|
| 1354 |
static int chunks_out_of_order = 0; |
| 1355 |
static int last_chunk_id = -1; |
| 1356 |
|
| 1357 |
audio_bufQ = (uint16_t *)av_malloc(AVCODEC_MAX_AUDIO_FRAME_SIZE); |
| 1358 |
if(!audio_bufQ) {
|
| 1359 |
printf("Memory error in audio_bufQ!\n");
|
| 1360 |
return PLAYER_FAIL_RETURN;
|
| 1361 |
} |
| 1362 |
|
| 1363 |
gchunk = (Chunk *)malloc(sizeof(Chunk));
|
| 1364 |
if(!gchunk) {
|
| 1365 |
printf("Memory error in gchunk!\n");
|
| 1366 |
av_free(audio_bufQ); |
| 1367 |
return PLAYER_FAIL_RETURN;
|
| 1368 |
} |
| 1369 |
|
| 1370 |
decoded_size = decodeChunk(gchunk, block, block_size); |
| 1371 |
|
| 1372 |
if(last_chunk_id == -1) |
| 1373 |
last_chunk_id = gchunk->id; |
| 1374 |
|
| 1375 |
if(gchunk->id > (last_chunk_id+1)) { |
| 1376 |
chunks_out_of_order += gchunk->id - last_chunk_id - 1;
|
| 1377 |
} |
| 1378 |
last_chunk_id = gchunk->id; |
| 1379 |
|
| 1380 |
#ifdef DEBUG_CHUNKER
|
| 1381 |
printf("CHUNKER: enqueueBlock: id %d decoded_size %d target size %d - out_of_order %d\n", gchunk->id, decoded_size, GRAPES_ENCODED_CHUNK_HEADER_SIZE + ExternalChunk_header_size + gchunk->size, chunks_out_of_order);
|
| 1382 |
#endif
|
| 1383 |
if(decoded_size < 0) { |
| 1384 |
//HINT here i should differentiate between various return values of the decode
|
| 1385 |
//in order to free what has been allocated there
|
| 1386 |
printf("chunk probably corrupted!\n");
|
| 1387 |
av_free(audio_bufQ); |
| 1388 |
free(gchunk); |
| 1389 |
return PLAYER_FAIL_RETURN;
|
| 1390 |
} |
| 1391 |
|
| 1392 |
frame = (Frame *)malloc(sizeof(Frame));
|
| 1393 |
if(!frame) {
|
| 1394 |
printf("Memory error in Frame!\n");
|
| 1395 |
if(gchunk) {
|
| 1396 |
if(gchunk->attributes) {
|
| 1397 |
free(gchunk->attributes); |
| 1398 |
} |
| 1399 |
free(gchunk); |
| 1400 |
} |
| 1401 |
av_free(audio_bufQ); |
| 1402 |
return PLAYER_FAIL_RETURN;
|
| 1403 |
} |
| 1404 |
|
| 1405 |
tempdata = gchunk->data; //let it point to first frame of payload
|
| 1406 |
j=gchunk->size; |
| 1407 |
while(j>0 && !quit) { |
| 1408 |
frame->number = bit32_encoded_pull(tempdata); |
| 1409 |
tempdata += CHUNK_TRANSCODING_INT_SIZE; |
| 1410 |
frame->timestamp.tv_sec = bit32_encoded_pull(tempdata); |
| 1411 |
tempdata += CHUNK_TRANSCODING_INT_SIZE; |
| 1412 |
frame->timestamp.tv_usec = bit32_encoded_pull(tempdata); |
| 1413 |
tempdata += CHUNK_TRANSCODING_INT_SIZE; |
| 1414 |
frame->size = bit32_encoded_pull(tempdata); |
| 1415 |
tempdata += CHUNK_TRANSCODING_INT_SIZE; |
| 1416 |
frame->type = bit32_encoded_pull(tempdata); |
| 1417 |
tempdata += CHUNK_TRANSCODING_INT_SIZE; |
| 1418 |
|
| 1419 |
buffer = tempdata; // here coded frame information
|
| 1420 |
tempdata += frame->size; //let it point to the next frame
|
| 1421 |
|
| 1422 |
if(frame->type < 5) { // video frame |
| 1423 |
av_init_packet(&packet); |
| 1424 |
packet.data = buffer;//video_bufQ;
|
| 1425 |
packet.size = frame->size; |
| 1426 |
packet.pts = frame->timestamp.tv_sec*(unsigned long long)1000+frame->timestamp.tv_usec; |
| 1427 |
packet.dts = frame->timestamp.tv_sec*(unsigned long long)1000+frame->timestamp.tv_usec; |
| 1428 |
packet.stream_index = frame->number; // use of stream_index for number frame
|
| 1429 |
//packet.duration = frame->timestamp.tv_sec;
|
| 1430 |
if(packet.size > 0) |
| 1431 |
ChunkerPlayerCore_PacketQueuePut(&videoq, &packet); //the _put makes a copy of the packet
|
| 1432 |
|
| 1433 |
#ifdef DEBUG_SOURCE
|
| 1434 |
printf("SOURCE: Insert video in queue pts=%lld %d %d sindex:%d\n",packet.pts,(int)frame->timestamp.tv_sec,(int)frame->timestamp.tv_usec,packet.stream_index); |
| 1435 |
#endif
|
| 1436 |
} |
| 1437 |
else if(frame->type == 5) { // audio frame |
| 1438 |
av_init_packet(&packetaudio); |
| 1439 |
packetaudio.data = buffer; |
| 1440 |
packetaudio.size = frame->size; |
| 1441 |
packetaudio.pts = frame->timestamp.tv_sec*(unsigned long long)1000+frame->timestamp.tv_usec; |
| 1442 |
packetaudio.dts = frame->timestamp.tv_sec*(unsigned long long)1000+frame->timestamp.tv_usec; |
| 1443 |
//packetaudio.duration = frame->timestamp.tv_sec;
|
| 1444 |
packetaudio.stream_index = frame->number; // use of stream_index for number frame
|
| 1445 |
packetaudio.flags = 1;
|
| 1446 |
packetaudio.pos = -1;
|
| 1447 |
|
| 1448 |
//instead of -1, in order to signal it is not decoded yet
|
| 1449 |
packetaudio.convergence_duration = 0;
|
| 1450 |
|
| 1451 |
// insert the audio frame into the queue
|
| 1452 |
if(packetaudio.size > 0) |
| 1453 |
ChunkerPlayerCore_PacketQueuePut(&audioq, &packetaudio);//makes a copy of the packet so i can free here
|
| 1454 |
|
| 1455 |
#ifdef DEBUG_SOURCE
|
| 1456 |
printf("SOURCE: Insert audio in queue pts=%lld sindex:%d\n", packetaudio.pts, packetaudio.stream_index);
|
| 1457 |
#endif
|
| 1458 |
} |
| 1459 |
else {
|
| 1460 |
printf("SOURCE: Unknown frame type %d. Size %d\n", frame->type, frame->size);
|
| 1461 |
} |
| 1462 |
if(frame->size > 0) |
| 1463 |
j = j - sizeFrameHeader - frame->size; |
| 1464 |
else {
|
| 1465 |
printf("SOURCE: Corrupt frames (size %d) in chunk. Skipping it...\n", frame->size);
|
| 1466 |
j = -1;
|
| 1467 |
} |
| 1468 |
} |
| 1469 |
//chunk ingestion terminated!
|
| 1470 |
if(gchunk) {
|
| 1471 |
if(gchunk->attributes) {
|
| 1472 |
free(gchunk->attributes); |
| 1473 |
} |
| 1474 |
if(gchunk->data)
|
| 1475 |
free(gchunk->data); |
| 1476 |
free(gchunk); |
| 1477 |
} |
| 1478 |
if(frame)
|
| 1479 |
free(frame); |
| 1480 |
if(audio_bufQ)
|
| 1481 |
av_free(audio_bufQ); |
| 1482 |
|
| 1483 |
return PLAYER_OK_RETURN;
|
| 1484 |
} |
| 1485 |
|
| 1486 |
void ChunkerPlayerCore_SetupOverlay(int width, int height) |
| 1487 |
{
|
| 1488 |
// if(!MainScreen && !SilentMode)
|
| 1489 |
// {
|
| 1490 |
// printf("Cannot find main screen, exiting...\n");
|
| 1491 |
// exit(1);
|
| 1492 |
// }
|
| 1493 |
|
| 1494 |
if(SilentMode)
|
| 1495 |
return;
|
| 1496 |
|
| 1497 |
SDL_LockMutex(OverlayMutex); |
| 1498 |
if(YUVOverlay != NULL) |
| 1499 |
{
|
| 1500 |
SDL_FreeYUVOverlay(YUVOverlay); |
| 1501 |
YUVOverlay = NULL;
|
| 1502 |
} |
| 1503 |
|
| 1504 |
// create video overlay for display of video frames
|
| 1505 |
// printf("SDL_CreateYUVOverlay(%d, %d, SDL_YV12_OVERLAY, MainScreen)\n", width, height);
|
| 1506 |
YUVOverlay = SDL_CreateYUVOverlay(width, height, SDL_YV12_OVERLAY, MainScreen); |
| 1507 |
// YUVOverlay = SDL_CreateYUVOverlay(OverlayRect.w, OverlayRect.h, SDL_YV12_OVERLAY, MainScreen);
|
| 1508 |
if ( YUVOverlay == NULL ) |
| 1509 |
{
|
| 1510 |
fprintf(stderr,"SDL: Couldn't create SDL_yuv_overlay: %s", SDL_GetError());
|
| 1511 |
exit(1);
|
| 1512 |
} |
| 1513 |
|
| 1514 |
if ( YUVOverlay->hw_overlay )
|
| 1515 |
fprintf(stderr,"SDL: Using hardware overlay.\n");
|
| 1516 |
// OverlayRect.x = (screen_w - width) / 2;
|
| 1517 |
|
| 1518 |
SDL_DisplayYUVOverlay(YUVOverlay, &OverlayRect); |
| 1519 |
|
| 1520 |
SDL_UnlockMutex(OverlayMutex); |
| 1521 |
} |