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user setable preload and max_mux_delay

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Originally committed as revision 3602 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2004-10-16 21:27:42 +00:00
parent 1f631450fd
commit 17c88cb0ce
4 changed files with 25 additions and 15 deletions
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12
ffmpeg.c
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@@ -205,6 +205,8 @@ static int audio_codec_tag = 0;
static int mux_rate= 0;
static int mux_packet_size= 0;
static float mux_preload= 0.5;
static float mux_max_delay= 0.7;
static int64_t recording_time = 0;
static int64_t start_time = 0;
@@ -3328,6 +3330,8 @@ static void opt_output_file(const char *filename)
oc->packet_size= mux_packet_size;
oc->mux_rate= mux_rate;
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
/* reset some options */
file_oformat = NULL;
@@ -3692,6 +3696,12 @@ static void opt_target(const char *arg)
mux_packet_size= 2324;
mux_rate= 2352 * 75 * 8;
/* We have to offset the PTS, so that it is consistent with the SCR.
SCR starts at 36000, but the first two packs contain only padding
and the first pack from the other stream, respectively, may also have
been written before.
So the real data starts at SCR 36000+3*1200. */
mux_preload= (36000+3*1200) / 90000.0; //0.44
} else if(!strcmp(arg, "svcd")) {
opt_video_codec("mpeg2video");
@@ -3916,6 +3926,8 @@ const OptionDef options[] = {
/* muxer options */
{ "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
{ "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
{ NULL, },
};