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ffmdec: fix seeking for non indexed files 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-09-08 20:36:19 +02:00
parent 59810f8388
commit 0b99e858d1
2 changed files with 5 additions and 5 deletions
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2
libavformat/ffmdec.c
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@ -461,7 +461,7 @@ static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, in
av_dlog(s, "wanted_pts=%0.6f\n", wanted_pts / 1000000.0);
/* find the position using linear interpolation (better than
dichotomy in typical cases) */
if (ffm->write_index < ffm->file_size) {
if (ffm->write_index && ffm->write_index < ffm->file_size) {
if (get_dts(s, FFM_PACKET_SIZE) < wanted_pts) {
pos_min = FFM_PACKET_SIZE;
pos_max = ffm->write_index - FFM_PACKET_SIZE;

8
tests/ref/seek/lavf_ffm
View File

@ -4,7 +4,7 @@ ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st: 0 flags:0 ts: 0.788334
ret: 0 st: 1 flags:1 dts: 0.783673 pts: 0.783673 pos: 315392 size: 209
ret: 0 st: 1 flags:1 dts: 0.809796 pts: 0.809796 pos: 327680 size: 209
ret: 0 st: 0 flags:1 ts:-0.317499
ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
ret: 0 st: 1 flags:0 ts: 2.576668
@ -12,7 +12,7 @@ ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st: 1 flags:1 ts: 1.470835
ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 1 flags:1 dts: 0.339592 pts: 0.339592 pos: 155648 size: 209
ret: 0 st: 1 flags:1 dts: 0.365714 pts: 0.365714 pos: 163840 size: 209
ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
ret: 0 st: 0 flags:0 ts: 2.153336
@ -40,7 +40,7 @@ ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st: 0 flags:0 ts: 0.883340
ret: 0 st: 0 flags:0 dts: 0.880000 pts: 0.920000 pos: 339968 size: 12307
ret: 0 st: 1 flags:1 dts: 0.888163 pts: 0.888163 pos: 352256 size: 209
ret: 0 st: 0 flags:1 ts:-0.222493
ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664
ret: 0 st: 1 flags:0 ts: 2.671674
@ -48,6 +48,6 @@ ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st: 1 flags:1 ts: 1.565841
ret: 0 st: 1 flags:1 dts: 0.940408 pts: 0.940408 pos: 376832 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 1 flags:1 dts: 0.444082 pts: 0.444082 pos: 204800 size: 209
ret: 0 st: 1 flags:1 dts: 0.496327 pts: 0.496327 pos: 221184 size: 209
ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts:-0.040000 pts: 0.000000 pos: 8192 size: 24664