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10b7b4a6a1
Since SDL has no audio buffer fullness info, one can get a much precise audio clock based on the last time of the audio callback and the elapsed time since. To achieve this I introduced the audio_current_pts and audio_current_pts_drift variables (similar to video_current_pts and video_current_pts_drift) and calculate them in the end of the audio callback, when VideoState->audio_clock is already updated. The reference time I use is from the start of the audio callback, because this way the amount of time used for audio decoding is not interfereing with calculation. I also replaced the audio_write_get_buf_size function with a calculated variable because when the audio frame decoding is in progress audio_buf_size and audio_buf_index are not stable, so using them from other threads are not a good idea. Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
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| doc | ||
| ffpresets | ||
| libavcodec | ||
| libavdevice | ||
| libavfilter | ||
| libavformat | ||
| libavutil | ||
| libpostproc | ||
| libswscale | ||
| mt-work | ||
| tests | ||
| tools | ||
| .gitignore | ||
| avconv.c | ||
| Changelog | ||
| cmdutils_common_opts.h | ||
| cmdutils.c | ||
| cmdutils.h | ||
| common.mak | ||
| configure | ||
| COPYING.GPLv2 | ||
| COPYING.GPLv3 | ||
| COPYING.LGPLv2.1 | ||
| COPYING.LGPLv3 | ||
| CREDITS | ||
| Doxyfile | ||
| ffmpeg.c | ||
| ffplay.c | ||
| ffprobe.c | ||
| ffserver.c | ||
| INSTALL | ||
| LICENSE | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| RELEASE | ||
| subdir.mak | ||
| version.sh | ||
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.