diff options
Diffstat (limited to 'libavcodec/internal.h')
| -rw-r--r-- | libavcodec/internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/internal.h b/libavcodec/internal.h index 868e3dfc54..a619e977f6 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -272,6 +272,12 @@ int ff_side_data_update_matrix_encoding(AVFrame *frame, * Select the (possibly hardware accelerated) pixel format. * This is a wrapper around AVCodecContext.get_format() and should be used * instead of calling get_format() directly. + * + * The list of pixel formats must contain at least one valid entry, and is + * terminated with AV_PIX_FMT_NONE. If it is possible to decode to software, + * the last entry in the list must be the most accurate software format. + * If it is not possible to decode to software, AVCodecContext.sw_pix_fmt + * must be set before calling this function. */ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt); |