next_pts fix by (Wolfram Gloger <wmglo at dent dot med dot uni-muenchen dot de>)

note, dont take the PSNR/stddev values serious, they are caused by a bug in ffmpeg.c which drops one frame before the last frame during encoding with b frames

Originally committed as revision 3110 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

@@ -1003,7 +1003,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
     void *buffer_to_free;
     
     if (pkt && pkt->pts != AV_NOPTS_VALUE) {
-        ist->pts = pkt->pts;
+        ist->next_pts = ist->pts = pkt->pts;
     } else {
         ist->pts = ist->next_pts;
     }

tests/ffmpeg.regression.ref

@@ -53,20 +53,20 @@ stddev:  8.05 PSNR:30.00 bytes:7602176
 stddev:  0.00 PSNR:99.99 bytes:7602176
 a06eb02738bc67c61392fe2fced2afa9 *./data/a-mpeg4-rc.avi
  816398 ./data/a-mpeg4-rc.avi
-8bcc9847ceab4b879d69fcd904747d18 *./data/out.yuv
-stddev: 10.11 PSNR:28.02 bytes:7145472
+11efbbf01c8473ac5eabd775f1c0bec5 *./data/out.yuv
+stddev: 11.51 PSNR:26.89 bytes:7299072
 451bd18acf3c169301c215a63a3b216d *./data/a-mpeg4-adv.avi
  592570 ./data/a-mpeg4-adv.avi
 9f4fbff593dd0bd7ad437ceee4afc11f *./data/out.yuv
 stddev: 10.31 PSNR:27.85 bytes:7602176
 3424145af47f83c77bd42f4707c1a722 *./data/a-mpeg4-thread.avi
  752408 ./data/a-mpeg4-thread.avi
-7e07f0c47f02b87e713be9c5d435f9c2 *./data/out.yuv
-stddev: 12.04 PSNR:26.50 bytes:7145472
+51b7bfb3cbf1580eefc61e610451e67e *./data/out.yuv
+stddev: 13.17 PSNR:25.72 bytes:7299072
 36688568f48f40163c338c6f3435c132 *./data/a-mpeg4-Q.avi
 875964 ./data/a-mpeg4-Q.avi
-55b24a6a0bb5064720931ddf2bb39b0d *./data/out.yuv
-stddev:  5.71 PSNR:32.98 bytes:7145472
+dca5adb5fca49a806e71266f1a04c3a5 *./data/out.yuv
+stddev:  8.15 PSNR:29.89 bytes:7299072
 771f65ff24c0d32b37f2663892b2f433 *./data/a-error-mpeg4-adv.avi
  767796 ./data/a-error-mpeg4-adv.avi
 a25db8ad6a845e97fd4eb1e8bf343b73 *./data/out.yuv

tests/rotozoom.regression.ref

@@ -53,20 +53,20 @@ dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv
 stddev:  0.00 PSNR:99.99 bytes:7602176
 ca8f249763ca162cbee43cb32b7b165b *./data/a-mpeg4-rc.avi
  223932 ./data/a-mpeg4-rc.avi
-05a188bd2479dd9384270c65beb02aa5 *./data/out.yuv
-stddev:  4.33 PSNR:35.38 bytes:7145472
+5ad73d80df55d60384a43b8260174912 *./data/out.yuv
+stddev:  5.28 PSNR:33.66 bytes:7299072
 8249cc83e341cd18e45adf589e1d254e *./data/a-mpeg4-adv.avi
  180988 ./data/a-mpeg4-adv.avi
 a46b891f446aef2c025dc2847dc86ed6 *./data/out.yuv
 stddev:  4.95 PSNR:34.22 bytes:7602176
 f2f6e3841d4a5def6d70297b09a6df6c *./data/a-mpeg4-thread.avi
  249670 ./data/a-mpeg4-thread.avi
-bc4a00140a3d3f1b1c4a892e9f7eaec6 *./data/out.yuv
-stddev:  4.11 PSNR:35.82 bytes:7145472
+e01d0d5a98d2624b107e13c6f50c533c *./data/out.yuv
+stddev:  5.09 PSNR:33.97 bytes:7299072
 96333905f57a579396c5121d6651fc7e *./data/a-mpeg4-Q.avi
 159744 ./data/a-mpeg4-Q.avi
-eae6a894c0f0907908f3426e114ec27b *./data/out.yuv
-stddev:  4.01 PSNR:36.06 bytes:7145472
+f44b074a83b177950055ddd6da7e518d *./data/out.yuv
+stddev:  5.02 PSNR:34.09 bytes:7299072
 901ebdbc7438744f0832a9a0cc7678e3 *./data/a-error-mpeg4-adv.avi
  194318 ./data/a-error-mpeg4-adv.avi
 f9ae5845930dda375afead55cfb8480b *./data/out.yuv