Commit 2ec4586d authored by Michael Niedermayer's avatar Michael Niedermayer

Merge commit 'dd2d3b76'

* commit 'dd2d3b76':
  lavc: Add hwaccel private data and init/uninit callbacks

Conflicts:
	libavcodec/avcodec.h
	libavcodec/internal.h
	libavcodec/pthread_frame.c
Merged-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parents c4fe50b9 dd2d3b76
......@@ -3307,6 +3307,29 @@ typedef struct AVHWAccel {
* @param s the mpeg context
*/
void (*decode_mb)(struct MpegEncContext *s);
/**
* Initialize the hwaccel private data.
*
* This will be called from ff_get_format(), after hwaccel and
* hwaccel_context are set and the hwaccel private data in AVCodecInternal
* is allocated.
*/
int (*init)(AVCodecContext *avctx);
/**
* Uninitialize the hwaccel private data.
*
* This will be called from get_format() or avcodec_close(), after hwaccel
* and hwaccel_context are already uninitialized.
*/
int (*uninit)(AVCodecContext *avctx);
/**
* Size of the private data to allocate in
* AVCodecInternal.hwaccel_priv_data.
*/
int priv_data_size;
} AVHWAccel;
/**
......
......@@ -122,6 +122,11 @@ typedef struct AVCodecInternal {
* Number of audio samples to skip at the start of the next decoded frame
*/
int skip_samples;
/**
* hwaccel-specific private data
*/
void *hwaccel_priv_data;
} AVCodecInternal;
struct AVCodecDefault {
......
......@@ -226,6 +226,7 @@ static int update_context_from_thread(AVCodecContext *dst, AVCodecContext *src,
dst->sample_rate = src->sample_rate;
dst->sample_fmt = src->sample_fmt;
dst->channel_layout = src->channel_layout;
dst->internal->hwaccel_priv_data = src->internal->hwaccel_priv_data;
}
if (for_user) {
......
......@@ -1146,16 +1146,37 @@ int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
if (!desc)
return AV_PIX_FMT_NONE;
if (avctx->hwaccel && avctx->hwaccel->uninit)
avctx->hwaccel->uninit(avctx);
av_freep(&avctx->internal->hwaccel_priv_data);
avctx->hwaccel = NULL;
if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL) {
avctx->hwaccel = find_hwaccel(avctx->codec_id, ret);
if (!avctx->hwaccel) {
AVHWAccel *hwaccel;
int err;
hwaccel = find_hwaccel(avctx->codec_id, ret);
if (!hwaccel) {
av_log(avctx, AV_LOG_ERROR,
"Could not find an AVHWAccel for the pixel format: %s",
desc->name);
return AV_PIX_FMT_NONE;
}
} else {
avctx->hwaccel = NULL;
if (hwaccel->priv_data_size) {
avctx->internal->hwaccel_priv_data = av_mallocz(hwaccel->priv_data_size);
if (!avctx->internal->hwaccel_priv_data)
return AV_PIX_FMT_NONE;
}
if (hwaccel->init) {
err = hwaccel->init(avctx);
if (err < 0) {
av_freep(&avctx->internal->hwaccel_priv_data);
return AV_PIX_FMT_NONE;
}
}
avctx->hwaccel = hwaccel;
}
return ret;
......@@ -2689,6 +2710,11 @@ av_cold int avcodec_close(AVCodecContext *avctx)
for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
av_buffer_pool_uninit(&pool->pools[i]);
av_freep(&avctx->internal->pool);
if (avctx->hwaccel && avctx->hwaccel->uninit)
avctx->hwaccel->uninit(avctx);
av_freep(&avctx->internal->hwaccel_priv_data);
av_freep(&avctx->internal);
}
......
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