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Rename functions and fields:

Browse source 
avfilter_(un)ref_pic       -> avfilter_(un)ref_buffer
avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
AVFilterBufferRef.pic      -> AVFilterBufferRef.buffer

They have been renamed to allow sharing with audio.

Patch by S.N. Hemanth Meenakshisundaram $smeenaks$ucsd$edu$.

Originally committed as revision 24731 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
S.N. Hemanth Meenakshisundaram 2010-08-07 01:15:27 +00:00 • committed by Stefano Sabatini
parent ecc8dada37
commit 7fce481a69
11 changed files with 49 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

2
ffmpeg.c
View file

@ -1777,7 +1777,7 @@ static int output_packet(AVInputStream *ist, int ist_index,
frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
if(ist->picref)
avfilter_unref_pic(ist->picref);
avfilter_unref_buffer(ist->picref);
}
#endif
av_free(buffer_to_free);

10
ffplay.c
View file

@ -1304,7 +1304,7 @@ static void alloc_picture(void *opaque)
#if CONFIG_AVFILTER
if (vp->picref)
avfilter_unref_pic(vp->picref);
avfilter_unref_buffer(vp->picref);
vp->picref = NULL;
vp->width = is->out_video_filter->inputs[0]->w;
@ -1389,7 +1389,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
AVPicture pict;
#if CONFIG_AVFILTER
if(vp->picref)
avfilter_unref_pic(vp->picref);
avfilter_unref_buffer(vp->picref);
vp->picref = src_frame->opaque;
#endif
@ -1604,7 +1604,7 @@ static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
{
memset(pic->data, 0, sizeof(pic->data));
avfilter_unref_pic(pic->opaque);
avfilter_unref_buffer(pic->opaque);
}
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
@ -1667,7 +1667,7 @@ static int input_request_frame(AVFilterLink *link)
return -1;
if(priv->use_dr1) {
picref = avfilter_ref_pic(priv->frame->opaque, ~0);
picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
} else {
picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
av_picture_copy((AVPicture *)&picref->data, (AVPicture *)priv->frame,
@ -2672,7 +2672,7 @@ static void stream_close(VideoState *is)
vp = &is->pictq[i];
#if CONFIG_AVFILTER
if (vp->picref) {
avfilter_unref_pic(vp->picref);
avfilter_unref_buffer(vp->picref);
vp->picref = NULL;
}
#endif

14
libavfilter/avfilter.c
View file

@ -45,19 +45,19 @@ const char *avfilter_license(void)
#define link_dpad(link) link->dst-> input_pads[link->dstpad]
#define link_spad(link) link->src->output_pads[link->srcpad]
AVFilterBufferRef *avfilter_ref_pic(AVFilterBufferRef *ref, int pmask)
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
*ret = *ref;
ret->perms &= pmask;
ret->pic->refcount ++;
ret->buf->refcount ++;
return ret;
}
void avfilter_unref_pic(AVFilterBufferRef *ref)
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if(!(--ref->pic->refcount))
ref->pic->free(ref->pic);
if(!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref);
}
@ -264,7 +264,7 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
link->cur_pic = avfilter_default_get_video_buffer(link, dst->min_perms, link->w, link->h);
link->srcpic = picref;
avfilter_copy_picref_props(link->cur_pic, link->srcpic);
avfilter_copy_buffer_ref_props(link->cur_pic, link->srcpic);
}
else
link->cur_pic = picref;
@ -284,7 +284,7 @@ void avfilter_end_frame(AVFilterLink *link)
/* unreference the source picture if we're feeding the destination filter
* a copied version dues to permission issues */
if(link->srcpic) {
avfilter_unref_pic(link->srcpic);
avfilter_unref_buffer(link->srcpic);
link->srcpic = NULL;
}

36
libavfilter/avfilter.h
View file

@ -25,7 +25,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 29
#define LIBAVFILTER_VERSION_MINOR 30
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
@ -90,7 +90,7 @@ typedef struct AVFilterBuffer
/**
* A reference to an AVFilterBuffer. Since filters can manipulate the origin of
* a picture to, for example, crop image without any memcpy, the picture origin
* a buffer to, for example, crop image without any memcpy, the buffer origin
* and dimensions are per-reference properties. Linesize is also useful for
* image flipping, frame to field filters, etc, and so is also per-reference.
*
@ -98,7 +98,7 @@ typedef struct AVFilterBuffer
*/
typedef struct AVFilterBufferRef
{
AVFilterBuffer *pic; ///< the picture that this is a reference to
AVFilterBuffer *buf; ///< the buffer that this is a reference to
uint8_t *data[4]; ///< picture data for each plane
int linesize[4]; ///< number of bytes per line
int w; ///< image width
@ -120,7 +120,7 @@ typedef struct AVFilterBufferRef
* Copy properties of src to dst, without copying the actual video
* data.
*/
static inline void avfilter_copy_picref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
static inline void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
{
dst->pts = src->pts;
dst->pos = src->pos;
@ -132,21 +132,21 @@ static inline void avfilter_copy_picref_props(AVFilterBufferRef *dst, AVFilterBu
}
/**
* Add a new reference to a picture.
* @param ref an existing reference to the picture
* Add a new reference to a buffer.
* @param ref an existing reference to the buffer
* @param pmask a bitmask containing the allowable permissions in the new
* reference
* @return a new reference to the picture with the same properties as the
* @return a new reference to the buffer with the same properties as the
* old, excluding any permissions denied by pmask
*/
AVFilterBufferRef *avfilter_ref_pic(AVFilterBufferRef *ref, int pmask);
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask);
/**
* Remove a reference to a picture. If this is the last reference to the
* picture, the picture itself is also automatically freed.
* @param ref reference to the picture
* Remove a reference to a buffer. If this is the last reference to the
* buffer, the buffer itself is also automatically freed.
* @param ref reference to the buffer
*/
void avfilter_unref_pic(AVFilterBufferRef *ref);
void avfilter_unref_buffer(AVFilterBufferRef *ref);
/**
* A list of supported formats for one end of a filter link. This is used
@ -442,7 +442,7 @@ typedef struct AVFilter
/**
* Filter uninitialization function. Should deallocate any memory held
* by the filter, release any picture references, etc. This does not need
* by the filter, release any buffer references, etc. This does not need
* to deallocate the AVFilterContext->priv memory itself.
*/
void (*uninit)(AVFilterContext *ctx);
@ -524,9 +524,9 @@ struct AVFilterLink
AVFilterFormats *out_formats;
/**
* The picture reference currently being sent across the link by the source
* The buffer reference currently being sent across the link by the source
* filter. This is used internally by the filter system to allow
* automatic copying of pictures which do not have sufficient permissions
* automatic copying of buffers which do not have sufficient permissions
* for the destination. This should not be accessed directly by the
* filters.
*/
@ -556,13 +556,13 @@ int avfilter_config_links(AVFilterContext *filter);
/**
* Request a picture buffer with a specific set of permissions.
* @param link the output link to the filter from which the picture will
* @param link the output link to the filter from which the buffer will
* be requested
* @param perms the required access permissions
* @param w the minimum width of the buffer to allocate
* @param h the minimum height of the buffer to allocate
* @return A reference to the picture. This must be unreferenced with
* avfilter_unref_pic when you are finished with it.
* @return A reference to the buffer. This must be unreferenced with
* avfilter_unref_buffer when you are finished with it.
*/
AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms,
int w, int h);

10
libavfilter/defaults.c
View file

@ -39,7 +39,7 @@ AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, int per
int i, tempsize;
char *buf;
ref->pic = pic;
ref->buf = pic;
ref->w = w;
ref->h = h;
@ -74,8 +74,8 @@ void avfilter_default_start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
if(out) {
out->outpic = avfilter_get_video_buffer(out, AV_PERM_WRITE, out->w, out->h);
avfilter_copy_picref_props(out->outpic, picref);
avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));
avfilter_copy_buffer_ref_props(out->outpic, picref);
avfilter_start_frame(out, avfilter_ref_buffer(out->outpic, ~0));
}
}
@ -97,12 +97,12 @@ void avfilter_default_end_frame(AVFilterLink *link)
if(link->dst->output_count)
out = link->dst->outputs[0];
avfilter_unref_pic(link->cur_pic);
avfilter_unref_buffer(link->cur_pic);
link->cur_pic = NULL;
if(out) {
if(out->outpic) {
avfilter_unref_pic(out->outpic);
avfilter_unref_buffer(out->outpic);
out->outpic = NULL;
}
avfilter_end_frame(out);

2
libavfilter/vf_crop.c
View file

@ -132,7 +132,7 @@ static int config_output(AVFilterLink *link)
static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
CropContext *crop = link->dst->priv;
AVFilterBufferRef *ref2 = avfilter_ref_pic(picref, ~0);
AVFilterBufferRef *ref2 = avfilter_ref_buffer(picref, ~0);
int i;
ref2->w = crop->w;

8
libavfilter/vf_pad.c
View file

@ -244,7 +244,7 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *inlink, int perms, int
static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
{
PadContext *pad = inlink->dst->priv;
AVFilterBufferRef *outpicref = avfilter_ref_pic(inpicref, ~0);
AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0);
int plane;
inlink->dst->outputs[0]->outpic = outpicref;
@ -263,7 +263,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
static void end_frame(AVFilterLink *link)
{
avfilter_end_frame(link->dst->outputs[0]);
avfilter_unref_pic(link->cur_pic);
avfilter_unref_buffer(link->cur_pic);
}
static void draw_send_bar_slice(AVFilterLink *link, int y, int h, int slice_dir, int before_slice)
@ -432,13 +432,13 @@ static int color_request_frame(AVFilterLink *link)
picref->pts = av_rescale_q(color->pts++, color->time_base, AV_TIME_BASE_Q);
picref->pos = 0;
avfilter_start_frame(link, avfilter_ref_pic(picref, ~0));
avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
draw_rectangle(picref,
color->line, color->line_step, color->hsub, color->vsub,
0, 0, color->w, color->h);
avfilter_draw_slice(link, 0, color->h, 1);
avfilter_end_frame(link);
avfilter_unref_pic(picref);
avfilter_unref_buffer(picref);
return 0;
}

4
libavfilter/vf_pixdesctest.c
View file

@ -58,7 +58,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
outlink->outpic = avfilter_get_video_buffer(outlink, AV_PERM_WRITE,
outlink->w, outlink->h);
outpicref = outlink->outpic;
avfilter_copy_picref_props(outpicref, picref);
avfilter_copy_buffer_ref_props(outpicref, picref);
for (i = 0; i < 4; i++) {
int h = outlink->h;
@ -74,7 +74,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
if (priv->pix_desc->flags & PIX_FMT_PAL)
memcpy(outpicref->data[1], outpicref->data[1], 256*4);
avfilter_start_frame(outlink, avfilter_ref_pic(outpicref, ~0));
avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)

4
libavfilter/vf_scale.c
View file

@ -152,7 +152,7 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
scale->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
outpicref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
avfilter_copy_picref_props(outpicref, picref);
avfilter_copy_buffer_ref_props(outpicref, picref);
outlink->outpic = outpicref;
@ -162,7 +162,7 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
INT_MAX);
scale->slice_y = 0;
avfilter_start_frame(outlink, avfilter_ref_pic(outpicref, ~0));
avfilter_start_frame(outlink, avfilter_ref_buffer(outpicref, ~0));
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)

4
libavfilter/vf_unsharp.c
View file

@ -202,10 +202,10 @@ static void end_frame(AVFilterLink *link)
unsharpen(out->data[1], in->data[1], out->linesize[1], in->linesize[1], CHROMA_WIDTH(link), CHROMA_HEIGHT(link), &unsharp->chroma);
unsharpen(out->data[2], in->data[2], out->linesize[2], in->linesize[2], CHROMA_WIDTH(link), CHROMA_HEIGHT(link), &unsharp->chroma);
avfilter_unref_pic(in);
avfilter_unref_buffer(in);
avfilter_draw_slice(link->dst->outputs[0], 0, link->h, 1);
avfilter_end_frame(link->dst->outputs[0]);
avfilter_unref_pic(out);
avfilter_unref_buffer(out);
}
static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)

4
libavfilter/vsrc_buffer.c
View file

@ -126,10 +126,10 @@ static int request_frame(AVFilterLink *link)
picref->pixel_aspect = c->pixel_aspect;
picref->interlaced = c->frame.interlaced_frame;
picref->top_field_first = c->frame.top_field_first;
avfilter_start_frame(link, avfilter_ref_pic(picref, ~0));
avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
avfilter_draw_slice(link, 0, link->h, 1);
avfilter_end_frame(link);
avfilter_unref_pic(picref);
avfilter_unref_buffer(picref);
c->has_frame = 0;