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mpegenc: add preload private option.

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Deprecate AVFormatContext.preload.
This commit is contained in:
Anton Khirnov 2011-10-09 15:04:38 +02:00
parent 28287045ca
commit f172132f82
4 changed files with 20 additions and 4 deletions
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7
avconv.c
View File

@ -375,7 +375,6 @@ static void reset_options(OptionsContext *o)
memset(o, 0, sizeof(*o));
o->mux_preload = 0.5;
o->mux_max_delay = 0.7;
o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX;
@ -3572,7 +3571,11 @@ static void opt_output_file(void *optctx, const char *filename)
}
}
oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
oc->flags |= AVFMT_FLAG_NONBLOCK;

4
libavformat/avformat.h
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@ -743,7 +743,9 @@ typedef struct AVFormatContext {
attribute_deprecated int mux_rate;
#endif
unsigned int packet_size;
int preload;
#if FF_API_PRELOAD
attribute_deprecated int preload;
#endif
int max_delay;
#if FF_API_LOOP_OUTPUT

10
libavformat/mpegenc.c
View File

@ -77,6 +77,7 @@ typedef struct {
double vcd_padding_bitrate; //FIXME floats
int64_t vcd_padding_bytes_written;
int preload;
} MpegMuxContext;
extern AVOutputFormat ff_mpeg1vcd_muxer;
@ -1158,9 +1159,15 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
StreamInfo *stream = st->priv_data;
int64_t pts, dts;
PacketDesc *pkt_desc;
const int preload= av_rescale(ctx->preload, 90000, AV_TIME_BASE);
int preload;
const int is_iframe = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (pkt->flags & AV_PKT_FLAG_KEY);
#if FF_API_PRELOAD
if (ctx->preload)
s->preload = ctx->preload;
#endif
preload = av_rescale(s->preload, 90000, AV_TIME_BASE);
pts= pkt->pts;
dts= pkt->dts;
@ -1237,6 +1244,7 @@ static int mpeg_mux_end(AVFormatContext *ctx)
#define E AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "muxrate", NULL, OFFSET(mux_rate), AV_OPT_TYPE_INT, {0}, 0, INT_MAX, E },
{ "preload", "Initial demux-decode delay in microseconds.", OFFSET(preload), AV_OPT_TYPE_INT, {500000}, 0, INT_MAX, E},
{ NULL },
};

3
libavformat/version.h
View File

@ -98,5 +98,8 @@
#ifndef FF_API_NEW_STREAM
#define FF_API_NEW_STREAM (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_PRELOAD
#define FF_API_PRELOAD (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#endif /* AVFORMAT_VERSION_H */