QSV Overlay Filter: Copy side data from input to output frame #44
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…ide_data() Signed-off-by: softworkz <[email protected]> Signed-off-by: Anton Khirnov <[email protected]>
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| @@ -14,6 +14,10 @@ libavutil: 2021-04-27 | |||
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On the FFmpeg mailing list, "Xiang, Haihao" wrote (reply to this):
On Thu, 2022-11-03 at 11:41 +0000, softworkz wrote:
> From: softworkz <[email protected]>
>
> Signed-off-by: softworkz <[email protected]>
> Signed-off-by: Anton Khirnov <[email protected]>
> ---
> doc/APIchanges | 4 +++
> libavutil/frame.c | 67 +++++++++++++++++++++++++++------------------
> libavutil/frame.h | 32 ++++++++++++++++++++++
> libavutil/version.h | 2 +-
> 4 files changed, 78 insertions(+), 27 deletions(-)
>
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 3c86f24285..e88cf7b4aa 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -14,6 +14,10 @@ libavutil: 2021-04-27
>
> API changes, most recent first:
>
> +2022-05-26 - xxxxxxxxx - lavu 57.41.100 - frame.h
> + Add av_frame_remove_all_side_data(), av_frame_copy_side_data(),
> + AV_FRAME_TRANSFER_SD_COPY, and AV_FRAME_TRANSFER_SD_FILTER.
> +
> 2022-10-30 - xxxxxxxxxx - lavu 57.40.100 - channel_layout.h
> Add AV_CH_LAYOUT_CUBE and AV_CHANNEL_LAYOUT_CUBE.
>
> diff --git a/libavutil/frame.c b/libavutil/frame.c
> index de4ad1f94d..8eb0e1ec95 100644
> --- a/libavutil/frame.c
> +++ b/libavutil/frame.c
> @@ -276,9 +276,45 @@ FF_ENABLE_DEPRECATION_WARNINGS
> return AVERROR(EINVAL);
> }
>
> +void av_frame_remove_all_side_data(AVFrame *frame)
> +{
> + wipe_side_data(frame);
> +}
> +
> +int av_frame_copy_side_data(AVFrame* dst, const AVFrame* src, int flags)
> +{
> + for (unsigned i = 0; i < src->nb_side_data; i++) {
> + const AVFrameSideData *sd_src = src->side_data[i];
> + AVFrameSideData *sd_dst;
> + if ((flags & AV_FRAME_TRANSFER_SD_FILTER) &&
> + sd_src->type == AV_FRAME_DATA_PANSCAN &&
> + (src->width != dst->width || src->height != dst->height))
> + continue;
> + if (flags & AV_FRAME_TRANSFER_SD_COPY) {
> + sd_dst = av_frame_new_side_data(dst, sd_src->type,
> + sd_src->size);
> + if (!sd_dst) {
> + wipe_side_data(dst);
> + return AVERROR(ENOMEM);
> + }
> + memcpy(sd_dst->data, sd_src->data, sd_src->size);
> + } else {
> + AVBufferRef *ref = av_buffer_ref(sd_src->buf);
> + sd_dst = av_frame_new_side_data_from_buf(dst, sd_src->type, ref);
> + if (!sd_dst) {
> + av_buffer_unref(&ref);
> + wipe_side_data(dst);
> + return AVERROR(ENOMEM);
> + }
> + }
> + av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
> + }
> + return 0;
> +}
> +
> static int frame_copy_props(AVFrame *dst, const AVFrame *src, int force_copy)
> {
> - int ret, i;
> + int ret;
>
> dst->key_frame = src->key_frame;
> dst->pict_type = src->pict_type;
> @@ -319,31 +355,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
>
> av_dict_copy(&dst->metadata, src->metadata, 0);
>
> - for (i = 0; i < src->nb_side_data; i++) {
> - const AVFrameSideData *sd_src = src->side_data[i];
> - AVFrameSideData *sd_dst;
> - if ( sd_src->type == AV_FRAME_DATA_PANSCAN
> - && (src->width != dst->width || src->height != dst->height))
> - continue;
> - if (force_copy) {
> - sd_dst = av_frame_new_side_data(dst, sd_src->type,
> - sd_src->size);
> - if (!sd_dst) {
> - wipe_side_data(dst);
> - return AVERROR(ENOMEM);
> - }
> - memcpy(sd_dst->data, sd_src->data, sd_src->size);
> - } else {
> - AVBufferRef *ref = av_buffer_ref(sd_src->buf);
> - sd_dst = av_frame_new_side_data_from_buf(dst, sd_src->type, ref);
> - if (!sd_dst) {
> - av_buffer_unref(&ref);
> - wipe_side_data(dst);
> - return AVERROR(ENOMEM);
> - }
> - }
> - av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
> - }
> + if ((ret = av_frame_copy_side_data(dst, src,
> + (force_copy ? AV_FRAME_TRANSFER_SD_COPY : 0) |
> + AV_FRAME_TRANSFER_SD_FILTER) < 0))
> + return ret;
>
> ret = av_buffer_replace(&dst->opaque_ref, src->opaque_ref);
> ret |= av_buffer_replace(&dst->private_ref, src->private_ref);
> diff --git a/libavutil/frame.h b/libavutil/frame.h
> index e60a82f6c0..5a3362fb55 100644
> --- a/libavutil/frame.h
> +++ b/libavutil/frame.h
> @@ -861,6 +861,30 @@ int av_frame_copy(AVFrame *dst, const AVFrame *src);
> */
> int av_frame_copy_props(AVFrame *dst, const AVFrame *src);
>
> +
> +/**
> + * Copy side data, rather than creating new references.
> + */
> +#define AV_FRAME_TRANSFER_SD_COPY (1 << 0)
> +/**
> + * Filter out side data that does not match dst properties.
> + */
> +#define AV_FRAME_TRANSFER_SD_FILTER (1 << 1)
> +
> +/**
> + * Copy all side-data from src to dst.
> + *
> + * @param dst a frame to which the side data should be copied.
> + * @param src a frame from which to copy the side data.
> + * @param flags a combination of AV_FRAME_TRANSFER_SD_*
> + *
> + * @return 0 on success, a negative AVERROR on error.
> + *
> + * @note This function will create new references to side data buffers in
> src,
> + * unless the AV_FRAME_TRANSFER_SD_COPY flag is passed.
> + */
> +int av_frame_copy_side_data(AVFrame* dst, const AVFrame* src, int flags);
> +
> /**
> * Get the buffer reference a given data plane is stored in.
> *
> @@ -913,6 +937,14 @@ AVFrameSideData *av_frame_get_side_data(const AVFrame
> *frame,
> */
> void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType
> type);
>
> +/**
> + * Remove and free all side data instances.
> + *
> + * @param frame from which to remove all side data.
> + */
> +void av_frame_remove_all_side_data(AVFrame *frame);
> +
> +
>
> /**
> * Flags for frame cropping.
> diff --git a/libavutil/version.h b/libavutil/version.h
> index 2df788e529..b913f9d6c5 100644
> --- a/libavutil/version.h
> +++ b/libavutil/version.h
> @@ -79,7 +79,7 @@
> */
>
> #define LIBAVUTIL_VERSION_MAJOR 57
> -#define LIBAVUTIL_VERSION_MINOR 40
> +#define LIBAVUTIL_VERSION_MINOR 41
> #define LIBAVUTIL_VERSION_MICRO 100
>
> #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
>>> Patchset LGTM, I'll push this patchset if no more comment or objection.
>> Can you wait a few days on this? I'd like to take a look at #1.
Hi Andreas,
Do you have any other thought about this patchset ? I'd like to merge this
patchset to fix qsv overlay.
BRs
Haihao
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This is split out from my earlier patchset "SEI parsing for QSV decoders"
(#31) as it is only logically
related but not technically.
The first patch had been reviewed and partially authored by Anton
(I have indicated this with a signed-off line, please advise in case this
wouldn't be right)
The second patch performs the copying of side data from input to
output frames.
softworkz
v2:
cc: "Xiang, Haihao" [email protected]
cc: Andreas Rheinhardt [email protected]
cc: Soft Works [email protected]