Revision 4ad08021 ffmpeg.c
| ffmpeg.c | ||
|---|---|---|
| 225 | 225 |
static int input_sync; |
| 226 | 226 |
static uint64_t limit_filesize = 0; |
| 227 | 227 |
static int force_fps = 0; |
| 228 |
static char *forced_key_frames = NULL; |
|
| 228 | 229 |
|
| 229 | 230 |
static int pgmyuv_compatibility_hack=0; |
| 230 | 231 |
static float dts_delta_threshold = 10; |
| ... | ... | |
| 272 | 273 |
int original_height; |
| 273 | 274 |
int original_width; |
| 274 | 275 |
|
| 276 |
/* forced key frames */ |
|
| 277 |
int64_t *forced_kf_pts; |
|
| 278 |
int forced_kf_count; |
|
| 279 |
int forced_kf_index; |
|
| 280 |
|
|
| 275 | 281 |
/* audio only */ |
| 276 | 282 |
int audio_resample; |
| 277 | 283 |
ReSampleContext *resample; /* for audio resampling */ |
| ... | ... | |
| 1189 | 1195 |
big_picture.pts= ost->sync_opts; |
| 1190 | 1196 |
// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den); |
| 1191 | 1197 |
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts); |
| 1198 |
if (ost->forced_kf_index < ost->forced_kf_count && |
|
| 1199 |
big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
|
|
| 1200 |
big_picture.pict_type = FF_I_TYPE; |
|
| 1201 |
ost->forced_kf_index++; |
|
| 1202 |
} |
|
| 1192 | 1203 |
ret = avcodec_encode_video(enc, |
| 1193 | 1204 |
bit_buffer, bit_buffer_size, |
| 1194 | 1205 |
&big_picture); |
| ... | ... | |
| 1837 | 1848 |
return 0; |
| 1838 | 1849 |
} |
| 1839 | 1850 |
|
| 1851 |
static void parse_forced_key_frames(char *kf, AVOutputStream *ost, |
|
| 1852 |
AVCodecContext *avctx) |
|
| 1853 |
{
|
|
| 1854 |
char *p; |
|
| 1855 |
int n = 1, i; |
|
| 1856 |
int64_t t; |
|
| 1857 |
|
|
| 1858 |
for (p = kf; *p; p++) |
|
| 1859 |
if (*p == ',') |
|
| 1860 |
n++; |
|
| 1861 |
ost->forced_kf_count = n; |
|
| 1862 |
ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); |
|
| 1863 |
if (!ost->forced_kf_pts) {
|
|
| 1864 |
av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); |
|
| 1865 |
ffmpeg_exit(1); |
|
| 1866 |
} |
|
| 1867 |
for (i = 0; i < n; i++) {
|
|
| 1868 |
p = i ? strchr(p, ',') + 1 : kf; |
|
| 1869 |
t = parse_time_or_die("force_key_frames", p, 1);
|
|
| 1870 |
ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); |
|
| 1871 |
} |
|
| 1872 |
} |
|
| 1873 |
|
|
| 1840 | 1874 |
/* |
| 1841 | 1875 |
* The following code is the main loop of the file converter |
| 1842 | 1876 |
*/ |
| ... | ... | |
| 2578 | 2612 |
av_fifo_free(ost->fifo); /* works even if fifo is not |
| 2579 | 2613 |
initialized but set to zero */ |
| 2580 | 2614 |
av_free(ost->pict_tmp.data[0]); |
| 2615 |
av_free(ost->forced_kf_pts); |
|
| 2581 | 2616 |
if (ost->video_resample) |
| 2582 | 2617 |
sws_freeContext(ost->img_resample_ctx); |
| 2583 | 2618 |
if (ost->resample) |
| ... | ... | |
| 3333 | 3368 |
video_enc->flags |= CODEC_FLAG_PASS2; |
| 3334 | 3369 |
} |
| 3335 | 3370 |
} |
| 3371 |
|
|
| 3372 |
if (forced_key_frames) |
|
| 3373 |
parse_forced_key_frames(forced_key_frames, ost, video_enc); |
|
| 3336 | 3374 |
} |
| 3337 | 3375 |
if (video_language) {
|
| 3338 | 3376 |
av_metadata_set2(&st->metadata, "language", video_language, 0); |
| ... | ... | |
| 3342 | 3380 |
/* reset some key parameters */ |
| 3343 | 3381 |
video_disable = 0; |
| 3344 | 3382 |
av_freep(&video_codec_name); |
| 3383 |
av_freep(&forced_key_frames); |
|
| 3345 | 3384 |
video_stream_copy = 0; |
| 3346 | 3385 |
frame_pix_fmt = PIX_FMT_NONE; |
| 3347 | 3386 |
} |
| ... | ... | |
| 3644 | 3683 |
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL); |
| 3645 | 3684 |
|
| 3646 | 3685 |
nb_streamid_map = 0; |
| 3686 |
av_freep(&forced_key_frames); |
|
| 3647 | 3687 |
} |
| 3648 | 3688 |
|
| 3649 | 3689 |
/* same option as mencoder */ |
| ... | ... | |
| 4094 | 4134 |
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
|
| 4095 | 4135 |
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
|
| 4096 | 4136 |
{ "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
|
| 4137 |
{ "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
|
|
| 4097 | 4138 |
|
| 4098 | 4139 |
/* audio options */ |
| 4099 | 4140 |
{ "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
|
Also available in: Unified diff