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compute total bitrate more accurately, patch by corp186, chasedouglas at gmail dot com 

Originally committed as revision 18909 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
corp186 2009-05-23 06:09:16 +00:00 committed by Baptiste Coudurier
parent 9867a14f6c
commit c69d224102
3 changed files with 34 additions and 29 deletions
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7
libavformat/mpegtsenc.c
View File

@ -426,6 +426,12 @@ static int mpegts_write_header(AVFormatContext *s)
service->pcr_pid == 0x1fff)
service->pcr_pid = ts_st->pid;
total_bit_rate += st->codec->bit_rate;
/* PES header size */
if (st->codec->codec_type == CODEC_TYPE_VIDEO ||
st->codec->codec_type == CODEC_TYPE_SUBTITLE)
total_bit_rate += 25 * 8 / av_q2d(st->codec->time_base);
else
total_bit_rate += total_bit_rate * 25 / DEFAULT_PES_PAYLOAD_SIZE;
}
/* if no video stream, use the first stream as PCR */
@ -458,7 +464,6 @@ static int mpegts_write_header(AVFormatContext *s)
pat_pmt_size = url_ftell(s->pb) - pos;
total_bit_rate +=
total_bit_rate * 25 / DEFAULT_PES_PAYLOAD_SIZE + /* PES header size */
total_bit_rate * 4 / TS_PACKET_SIZE + /* TS header size */
SDT_RETRANS_TIME * 8 * sdt_size / 1000 + /* SDT size */
PAT_RETRANS_TIME * 8 * pat_pmt_size / 1000 + /* PAT+PMT size */

4
tests/lavf.regression.ref
View File

@ -15,8 +15,8 @@ bfdec98337e6a9d89dc648d1e65a41db *./tests/data/b-lavf.mpg
0a7cc51de3da754ce36dffeeda290c45 *./tests/data/b-lavf.mxf_d10
5330989 ./tests/data/b-lavf.mxf_d10
./tests/data/b-lavf.mxf_d10 CRC=0xd241c8b6
27ccd081757e4242493ee46e548ef237 *./tests/data/b-lavf.ts
451952 ./tests/data/b-lavf.ts
2e9bd99fbb121ae4887109e3a4169acd *./tests/data/b-lavf.ts
449132 ./tests/data/b-lavf.ts
./tests/data/b-lavf.ts CRC=0x538daab4
1b28a16652bb8ac528b33f7478ca18b6 *./tests/data/b-lavf.swf
335771 ./tests/data/b-lavf.swf

52
tests/seek.regression.ref
View File

@ -3599,57 +3599,57 @@ ret:-1 st:-1 ts:-0.645825 flags:1
tests/data/b-lavf.ts
ret: 0 st: 0 dts:0.660000 pts:0.700000 pos:564 size:24921 flags:1
ret: 0 st:-1 ts:-1.000000 flags:0
ret: 0 st: 0 dts:0.044344 pts:-102481911520608.625000 pos:29704 size:22036 flags:1
ret: 0 st: 0 dts:0.043533 pts:-102481911520608.625000 pos:29328 size:21852 flags:1
ret: 0 st:-1 ts:1.894167 flags:1
ret: 0 st: 0 dts:1.881344 pts:-102481911520608.625000 pos:29704 size:852 flags:1
ret: 0 st: 0 dts:0.780000 pts:0.820000 pos:65800 size:14260 flags:0
ret: 0 st: 0 ts:0.788333 flags:0
ret: 0 st: 0 dts:0.700000 pts:0.740000 pos:29704 size:16769 flags:0
ret: 0 st: 0 dts:0.700000 pts:0.740000 pos:29328 size:16309 flags:0
ret: 0 st: 0 ts:-0.317500 flags:1
ret: 0 st: 0 dts:0.027844 pts:-102481911520608.625000 pos:48880 size:22036 flags:1
ret: 0 st: 0 dts:0.027333 pts:-102481911520608.625000 pos:48504 size:21852 flags:1
ret: 0 st: 1 ts:2.576667 flags:0
ret: 0 st: 0 dts:2.590844 pts:-102481911520608.625000 pos:29704 size:7612 flags:1
ret: 0 st: 0 dts:2.581533 pts:-102481911520608.625000 pos:29328 size:6340 flags:1
ret: 0 st: 1 ts:1.470833 flags:1
ret: 0 st: 0 dts:1.468844 pts:-102481911520608.625000 pos:99264 size:13188 flags:1
ret: 0 st: 0 dts:1.458333 pts:-102481911520608.625000 pos:98512 size:10644 flags:1
ret: 0 st:-1 ts:0.365002 flags:0
ret: 0 st: 0 dts:0.374344 pts:-102481911520608.625000 pos:66176 size:12788 flags:1
ret: 0 st: 0 dts:0.367533 pts:-102481911520608.625000 pos:65800 size:12060 flags:1
ret: 0 st:-1 ts:-0.740831 flags:1
ret: 0 st: 0 dts:0.027844 pts:-102481911520608.625000 pos:29704 size:22036 flags:1
ret: 0 st: 0 dts:0.027333 pts:-102481911520608.625000 pos:29328 size:21852 flags:1
ret: 0 st: 0 ts:2.153333 flags:0
ret: 0 st: 0 dts:2.167344 pts:-102481911520608.625000 pos:29704 size:5935 flags:1
ret: 0 st: 0 dts:2.160333 pts:-102481911520608.625000 pos:29328 size:5391 flags:1
ret: 0 st: 0 ts:1.047500 flags:1
ret: 0 st: 0 dts:1.039844 pts:-102481911520608.625000 pos:82720 size:10704 flags:1
ret: 0 st: 0 dts:1.037133 pts:-102481911520608.625000 pos:82344 size:8888 flags:1
ret: 0 st: 1 ts:-0.058333 flags:0
ret: 0 st: 0 dts:0.044344 pts:-102481911520608.625000 pos:48880 size:22036 flags:1
ret: 0 st: 0 dts:0.043533 pts:-102481911520608.625000 pos:48504 size:21852 flags:1
ret: 0 st: 1 ts:2.835833 flags:1
ret: 0 st: 0 dts:2.832844 pts:-102481911520608.625000 pos:29704 size:1444 flags:1
ret: 0 st: 0 dts:0.860000 pts:0.900000 pos:98512 size:12495 flags:0
ret: 0 st:-1 ts:1.730004 flags:0
ret: 0 st: 0 dts:1.738344 pts:-102481911520608.625000 pos:99264 size:3940 flags:1
ret: 0 st: 0 dts:1.755333 pts:-102481911520608.625000 pos:113176 size:852 flags:1
ret: 0 st:-1 ts:0.624171 flags:1
ret: 0 st: 0 dts:0.616344 pts:-102481911520608.625000 pos:66176 size:6620 flags:1
ret: 0 st: 0 dts:0.621333 pts:-102481911520608.625000 pos:65800 size:5532 flags:1
ret: 0 st: 0 ts:-0.481667 flags:0
ret: 0 st: 0 dts:0.044344 pts:-102481911520608.625000 pos:29704 size:22036 flags:1
ret: 0 st: 0 dts:0.043533 pts:-102481911520608.625000 pos:29328 size:21852 flags:1
ret: 0 st: 0 ts:2.412500 flags:1
ret: 0 st: 0 dts:0.820000 pts:0.860000 pos:82720 size:13937 flags:0
ret: 0 st: 0 dts:2.408733 pts:-102481911520608.625000 pos:29328 size:9604 flags:1
ret: 0 st: 1 ts:1.306667 flags:0
ret: 0 st: 0 dts:1.309344 pts:-102481911520608.625000 pos:99264 size:1456 flags:1
ret: 0 st: 0 dts:0.740000 pts:0.780000 pos:48504 size:14617 flags:0
ret: 0 st: 1 ts:0.200844 flags:1
ret: 0 st: 0 dts:0.187344 pts:-102481911520608.625000 pos:48880 size:18956 flags:1
ret: 0 st: 0 dts:0.200133 pts:-102481911520608.625000 pos:65800 size:18588 flags:1
ret: 0 st:-1 ts:-0.904994 flags:0
ret: 0 st: 0 dts:0.044344 pts:-102481911520608.625000 pos:29704 size:22036 flags:1
ret: 0 st: 0 dts:0.043533 pts:-102481911520608.625000 pos:29328 size:21852 flags:1
ret: 0 st:-1 ts:1.989173 flags:1
ret: 0 st: 0 dts:1.974844 pts:-102481911520608.625000 pos:29704 size:12103 flags:1
ret: 0 st: 0 dts:1.987533 pts:-102481911520608.625000 pos:29328 size:8655 flags:1
ret: 0 st: 0 ts:0.883344 flags:0
ret: 0 st: 0 dts:0.896844 pts:-102481911520608.625000 pos:82720 size:13784 flags:1
ret: 0 st: 0 dts:0.896733 pts:-102481911520608.625000 pos:82344 size:12152 flags:1
ret: 0 st: 0 ts:-0.222489 flags:1
ret: 0 st: 0 dts:0.027844 pts:-102481911520608.625000 pos:48880 size:22036 flags:1
ret: 0 st: 0 dts:0.027333 pts:-102481911520608.625000 pos:48504 size:21852 flags:1
ret: 0 st: 1 ts:2.671678 flags:0
ret: 0 st: 0 dts:2.684344 pts:-102481911520608.625000 pos:29704 size:5796 flags:1
ret: 0 st: 0 dts:2.673333 pts:-102481911520608.625000 pos:29328 size:3076 flags:1
ret: 0 st: 1 ts:1.565844 flags:1
ret: 0 st: 0 dts:1.562344 pts:-102481911520608.625000 pos:99264 size:10100 flags:1
ret: 0 st: 0 dts:1.550133 pts:-102481911520608.625000 pos:98512 size:7380 flags:1
ret: 0 st:-1 ts:0.460008 flags:0
ret: 0 st: 0 dts:0.467844 pts:-102481911520608.625000 pos:66176 size:9708 flags:1
ret: 0 st: 0 dts:0.475533 pts:-102481911520608.625000 pos:65800 size:8796 flags:1
ret: 0 st:-1 ts:-0.645825 flags:1
ret: 0 st: 0 dts:0.027844 pts:-102481911520608.625000 pos:29704 size:22036 flags:1
ret: 0 st: 0 dts:0.027333 pts:-102481911520608.625000 pos:29328 size:21852 flags:1
----------------
tests/data/b-lavf.ul
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:0 size:1024 flags:1