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lavc: add a field for passing AVHWFramesContext to encoders

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This commit is contained in:
Anton Khirnov 2016-02-01 15:39:50 +01:00
parent 21f7cd4acd
commit 7b3214d005
4 changed files with 29 additions and 1 deletions
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3
doc/APIchanges
View File

@ -13,6 +13,9 @@ libavutil: 2015-08-28
API changes, most recent first:
2016-xx-xx - lavc 57.13.0 - avcodec.h
Add AVCodecContext.hw_frames_ctx.
2016-xx-xx - lavfi 6.2.0 - avfilter.h
xxxxxxx avfilter.h - Add AVFilterLink.hw_frames_ctx.
xxxxxxx buffersrc.h - Add AVBufferSrcParameters and functions for handling it.

12
libavcodec/avcodec.h
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@ -2979,6 +2979,18 @@ typedef struct AVCodecContext {
AVPacketSideData *coded_side_data;
int nb_coded_side_data;
/**
* Encoding only.
*
* For hardware encoders configured to use a hwaccel pixel format, this
* field should be set by the caller to a reference to the AVHWFramesContext
* describing input frames. AVHWFramesContext.format must be equal to
* AVCodecContext.pix_fmt.
*
* This field should be set before avcodec_open2() is called and is
* afterwards owned and managed by libavcodec.
*/
AVBufferRef *hw_frames_ctx;
} AVCodecContext;
/**

13
libavcodec/utils.c
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@ -32,6 +32,7 @@
#include "libavutil/channel_layout.h"
#include "libavutil/crc.h"
#include "libavutil/frame.h"
#include "libavutil/hwcontext.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
@ -1059,6 +1060,16 @@ FF_ENABLE_DEPRECATION_WARNINGS
avctx->time_base.den);
goto free_and_end;
}
if (avctx->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
if (frames_ctx->format != avctx->pix_fmt) {
av_log(avctx, AV_LOG_ERROR,
"Mismatching AVCodecContext.pix_fmt and AVHWFramesContext.format\n");
ret = AVERROR(EINVAL);
goto free_and_end;
}
}
}
if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
@ -1639,6 +1650,8 @@ av_cold int avcodec_close(AVCodecContext *avctx)
av_freep(&avctx->coded_side_data);
avctx->nb_coded_side_data = 0;
av_buffer_unref(&avctx->hw_frames_ctx);
if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
av_opt_free(avctx->priv_data);
av_opt_free(avctx);

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 12
#define LIBAVCODEC_VERSION_MINOR 13
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \