Revision 02c63a10 libavcodec/libopencore-amr.c
| libavcodec/libopencore-amr.c | ||
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| 50 | 50 |
} AMR_bitrates; |
| 51 | 51 |
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/* Match desired bitrate */ |
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static int getBitrateMode(int bitrate)
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static int get_bitrate_mode(int bitrate)
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{
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/* make the correspondance between bitrate and mode */ |
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static const AMR_bitrates rates[] = {{ 4750, MR475},
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| ... | ... | |
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} |
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typedef struct AMRContext {
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int frameCount;
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void *decState;
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void *enstate; |
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int frame_count;
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void *dec_state;
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void *enc_state;
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int enc_bitrate; |
| 78 | 78 |
} AMRContext; |
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|
| ... | ... | |
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{
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AMRContext *s = avctx->priv_data; |
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s->frameCount = 0;
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s->decState = Decoder_Interface_init();
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if (!s->decState) {
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s->frame_count = 0;
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s->dec_state = Decoder_Interface_init();
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if (!s->dec_state) {
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av_log(avctx, AV_LOG_ERROR, "Decoder_Interface_init error\n"); |
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return -1; |
| 89 | 89 |
} |
| ... | ... | |
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{
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AMRContext *s = avctx->priv_data; |
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Decoder_Interface_exit(s->decState);
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Decoder_Interface_exit(s->dec_state);
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return 0; |
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} |
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|
| ... | ... | |
| 116 | 116 |
enum Mode dec_mode; |
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int packet_size; |
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av_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frameCount=%d!!\n",
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buf, buf_size, s->frameCount);
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av_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frame_count=%d!!\n",
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buf, buf_size, s->frame_count);
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| 121 | 121 |
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dec_mode = (buf[0] >> 3) & 0x000F; |
| 123 | 123 |
packet_size = block_size[dec_mode] + 1; |
| ... | ... | |
| 128 | 128 |
return AVERROR_INVALIDDATA; |
| 129 | 129 |
} |
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s->frameCount++;
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s->frame_count++;
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av_dlog(avctx, "packet_size=%d buf= 0x%X %X %X %X\n", |
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packet_size, buf[0], buf[1], buf[2], buf[3]); |
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/* call decoder */ |
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Decoder_Interface_Decode(s->decState, buf, data, 0);
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Decoder_Interface_Decode(s->dec_state, buf, data, 0);
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*data_size = 160 * 2; |
| 137 | 137 |
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return packet_size; |
| ... | ... | |
| 154 | 154 |
{
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AMRContext *s = avctx->priv_data; |
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s->frameCount = 0;
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s->frame_count = 0;
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if (avctx->sample_rate != 8000) {
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av_log(avctx, AV_LOG_ERROR, "Only 8000Hz sample rate supported\n"); |
| ... | ... | |
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avctx->frame_size = 160; |
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avctx->coded_frame = avcodec_alloc_frame(); |
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s->enstate=Encoder_Interface_init(0);
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if (!s->enstate) {
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s->enc_state = Encoder_Interface_init(0);
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if (!s->enc_state) {
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av_log(avctx, AV_LOG_ERROR, "Encoder_Interface_init error\n"); |
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return -1; |
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} |
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if ((s->enc_bitrate = getBitrateMode(avctx->bit_rate)) < 0) {
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if ((s->enc_bitrate = get_bitrate_mode(avctx->bit_rate)) < 0) {
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
| 180 | 180 |
return AVERROR(ENOSYS); |
| 181 | 181 |
} |
| ... | ... | |
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{
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AMRContext *s = avctx->priv_data; |
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Encoder_Interface_exit(s->enstate); |
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Encoder_Interface_exit(s->enc_state);
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av_freep(&avctx->coded_frame); |
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return 0; |
| 193 | 193 |
} |
| ... | ... | |
| 199 | 199 |
AMRContext *s = avctx->priv_data; |
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int written; |
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if ((s->enc_bitrate = getBitrateMode(avctx->bit_rate)) < 0) {
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if ((s->enc_bitrate = get_bitrate_mode(avctx->bit_rate)) < 0) {
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av_log(avctx, AV_LOG_ERROR, nb_bitrate_unsupported); |
| 204 | 204 |
return AVERROR(ENOSYS); |
| 205 | 205 |
} |
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written = Encoder_Interface_Encode(s->enstate, s->enc_bitrate, data, |
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written = Encoder_Interface_Encode(s->enc_state, s->enc_bitrate, data,
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frame, 0); |
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av_dlog(avctx, "amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n", |
| 210 | 210 |
written, s->enc_bitrate, frame[0]); |
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