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avutil/frame: add AVBufferRef for qp table 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-14 02:12:14 +01:00
parent 1edbeb3532
commit caff888183
2 changed files with 45 additions and 0 deletions
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38
libavutil/frame.c
View File

@ -42,6 +42,30 @@ MAKE_ACCESSORS(AVFrame, frame, int, pkt_size)
AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame) {return &frame->metadata;};
int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int qp_type)
{
av_buffer_unref(&f->qp_table_buf);
f->qp_table_buf = buf;
f->qscale_table = buf->data;
f->qstride = stride;
f->qscale_type = qp_type;
return 0;
}
int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type)
{
*stride = f->qstride;
*type = f->qscale_type;
if (!f->qp_table_buf)
return NULL;
return f->qp_table_buf->data;
}
static void get_frame_defaults(AVFrame *frame)
{
if (frame->extended_data != frame->data)
@ -311,6 +335,8 @@ void av_frame_unref(AVFrame *frame)
av_buffer_unref(&frame->extended_buf[i]);
av_freep(&frame->extended_buf);
av_dict_free(&frame->metadata);
av_buffer_unref(&frame->qp_table_buf);
get_frame_defaults(frame);
}
@ -431,6 +457,18 @@ int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
av_dict_copy(&sd_dst->metadata, sd_src->metadata, 0);
}
dst->qscale_table = NULL;
dst->qstride = 0;
dst->qscale_type = 0;
if (src->qp_table_buf) {
dst->qp_table_buf = av_buffer_ref(src->qp_table_buf);
if (dst->qp_table_buf) {
dst->qscale_table = dst->qp_table_buf->data;
dst->qstride = src->qstride;
dst->qscale_type = src->qscale_type;
}
}
return 0;
}

7
libavutil/frame.h
View File

@ -419,6 +419,11 @@ typedef struct AVFrame {
* - decoding: set by libavcodec, read by user.
*/
int pkt_size;
/**
* Not to be accessed directly from outside libavutil
*/
AVBufferRef *qp_table_buf;
} AVFrame;
/**
@ -445,6 +450,8 @@ void av_frame_set_decode_error_flags (AVFrame *frame, int val);
int av_frame_get_pkt_size(const AVFrame *frame);
void av_frame_set_pkt_size(AVFrame *frame, int val);
AVDictionary **avpriv_frame_get_metadatap(AVFrame *frame);
int8_t *av_frame_get_qp_table(AVFrame *f, int *stride, int *type);
int av_frame_set_qp_table(AVFrame *f, AVBufferRef *buf, int stride, int type);
/**
* Allocate an AVFrame and set its fields to default values. The resulting