diff options
Diffstat (limited to 'libavcodec/mpegvideo.h')
| -rw-r--r-- | libavcodec/mpegvideo.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index fabcce2436..1c14f5b0f0 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -679,10 +679,32 @@ void ff_mpv_common_init_neon(MpegEncContext *s); void ff_mpv_common_init_ppc(MpegEncContext *s); void ff_mpv_common_init_x86(MpegEncContext *s); void ff_mpv_common_init_mips(MpegEncContext *s); +/** + * Initialize an MpegEncContext's thread contexts. Presumes that + * slice_context_count is already set and that all the fields + * that are freed/reset in free_duplicate_context() are NULL. + */ +int ff_mpv_init_duplicate_contexts(MpegEncContext *s); +/** + * Initialize and allocates MpegEncContext fields dependent on the resolution. + */ +int ff_mpv_init_context_frame(MpegEncContext *s); +/** + * Frees and resets MpegEncContext fields depending on the resolution + * as well as the slice thread contexts. + * Is used during resolution changes to avoid a full reinitialization of the + * codec. + */ +void ff_mpv_free_context_frame(MpegEncContext *s); int ff_mpv_common_frame_size_change(MpegEncContext *s); void ff_mpv_common_end(MpegEncContext *s); +/** + * Initialize the given MpegEncContext for decoding. + * the changed fields will not depend upon + * the prior state of the MpegEncContext. + */ void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx); void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64]); void ff_mpv_report_decode_progress(MpegEncContext *s); |