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avcodec: add AVCodecContext.sw_pix_fmt

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This carries the pixel format that would be used if it were not for
hardware acceleration. This is equal to AVCodecContext.pix_fmt if
hardware acceleration is not in use.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Rémi Denis-Courmont
2014-12-19 19:15:07 +02:00
committed by Anton Khirnov
parent 4cfbeef31d
commit 57b6704ecd
4 changed files with 22 additions and 5 deletions
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15
libavcodec/utils.c
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@@ -665,10 +665,13 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
if (ret < 0)
return ret;
if (hwaccel && hwaccel->alloc_frame) {
ret = hwaccel->alloc_frame(avctx, frame);
goto end;
}
if (hwaccel) {
if (hwaccel->alloc_frame) {
ret = hwaccel->alloc_frame(avctx, frame);
goto end;
}
} else
avctx->sw_pix_fmt = avctx->pix_fmt;
#if FF_API_GET_BUFFER
FF_DISABLE_DEPRECATION_WARNINGS
@@ -933,6 +936,10 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
while (fmt[n] != AV_PIX_FMT_NONE)
++n;
av_assert0(n >= 1);
avctx->sw_pix_fmt = fmt[n - 1];
av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
choices = av_malloc_array(n + 1, sizeof(*choices));
if (!choices)
return AV_PIX_FMT_NONE;