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Implement ffprobe -show_packets. 

Originally committed as revision 24577 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-07-28 23:17:59 +00:00
parent 8250561149
commit 530bbe96c7
3 changed files with 54 additions and 0 deletions
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1
Changelog
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@ -26,6 +26,7 @@ version <next>:
- libavcore added
- SubRip subtitle file muxer and demuxer
- Chinese AVS encoding via libxavs
- ffprobe -show_packets option added

7
doc/ffprobe-doc.texi
View File

@ -95,6 +95,13 @@ stream.
All the container format information is printed within a section with
name ``FORMAT''.
@item -show_packets
Show information about each packet contained in the input multimedia
stream.
The information for each single packet is printed within a dedicated
section with name ``PACKET''.
@item -show_streams
Show information about each media stream contained in the input
multimedia stream.

46
ffprobe.c
View File

@ -32,6 +32,7 @@ const char program_name[] = "FFprobe";
const int program_birth_year = 2007;
static int do_show_format = 0;
static int do_show_packets = 0;
static int do_show_streams = 0;
static int convert_tags = 0;
@ -101,6 +102,17 @@ static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRat
return buf;
}
static char *ts_value_string (char *buf, int buf_size, int64_t ts)
{
if (ts == AV_NOPTS_VALUE) {
snprintf(buf, buf_size, "N/A");
} else {
snprintf(buf, buf_size, "%"PRId64, ts);
}
return buf;
}
static const char *media_type_string(enum AVMediaType media_type)
{
switch (media_type) {
@ -113,6 +125,36 @@ static const char *media_type_string(enum AVMediaType media_type)
}
}
static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
{
char val_str[128];
AVStream *st = fmt_ctx->streams[pkt->stream_index];
printf("[PACKET]\n");
printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
printf("stream_index=%d\n" , pkt->stream_index);
printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
printf("pos=%"PRId64"\n" , pkt->pos);
printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
printf("[/PACKET]\n");
}
static void show_packets(AVFormatContext *fmt_ctx)
{
AVPacket pkt;
av_init_packet(&pkt);
while (!av_read_frame(fmt_ctx, &pkt))
show_packet(fmt_ctx, &pkt);
}
static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
{
AVStream *stream = fmt_ctx->streams[stream_idx];
@ -267,6 +309,9 @@ static int probe_file(const char *filename)
if ((ret = open_input_file(&fmt_ctx, filename)))
return ret;
if (do_show_packets)
show_packets(fmt_ctx);
if (do_show_streams)
for (i = 0; i < fmt_ctx->nb_streams; i++)
show_stream(fmt_ctx, i);
@ -334,6 +379,7 @@ static const OptionDef options[] = {
{ "pretty", 0, {(void*)&opt_pretty},
"prettify the format of displayed values, make it more human readable" },
{ "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
{ NULL, },
};