diff options
Diffstat (limited to 'ffmpeg.c')
| -rw-r--r-- | ffmpeg.c | 28 |
1 files changed, 22 insertions, 6 deletions
@@ -93,6 +93,11 @@ #include "libavutil/avassert.h" +#define VSYNC_AUTO -1 +#define VSYNC_PASSTHROUGH 0 +#define VSYNC_CFR 1 +#define VSYNC_VFR 2 + const char program_name[] = "ffmpeg"; const int program_birth_year = 2000; @@ -144,7 +149,7 @@ static int do_pkt_dump = 0; static int do_psnr = 0; static int do_pass = 0; static const char *pass_logfilename_prefix; -static int video_sync_method = -1; +static int video_sync_method = VSYNC_AUTO; static int audio_sync_method = 0; static float audio_drift_threshold = 0.1; static int copy_ts = 0; @@ -1433,15 +1438,15 @@ static void do_video_out(AVFormatContext *s, *frame_size = 0; format_video_sync = video_sync_method; - if (format_video_sync < 0) - format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 : 2) : 1; + if (format_video_sync == VSYNC_AUTO) + format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1; - if (format_video_sync) { + if (format_video_sync != VSYNC_PASSTHROUGH) { double vdelta = sync_ipts - ost->sync_opts + duration; // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c if (vdelta < -1.1) nb_frames = 0; - else if (format_video_sync == 2) { + else if (format_video_sync == VSYNC_VFR) { if (vdelta <= -0.6) { nb_frames = 0; } else if (vdelta > 0.6) @@ -4873,6 +4878,17 @@ static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg return parse_option(o, "filter:v", arg, options); } +static int opt_vsync(const char *opt, const char *arg) +{ + if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; + else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; + else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; + + if (video_sync_method == VSYNC_AUTO) + video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); + return 0; +} + #define OFFSET(x) offsetof(OptionsContext, x) static const OptionDef options[] = { /* main options */ @@ -4908,7 +4924,7 @@ static const OptionDef options[] = { { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" }, { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" }, { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, - { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" }, + { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" }, { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" }, { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" }, { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, |