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Separate video specific BufferRef properties into VideoProps.

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Define a new struct AVFilterBufferRefVideoProps and add a type field
to AVFilterBufferRef.

Video specific properties in AVFilterBufferRefVideoProps are now
referred to by *video pointer in AVFilterBufferRef.

Patch by S.N. Hemanth Meenakshisundaram smeenaks->ucsd.edu.

Originally committed as revision 24763 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
S.N. Hemanth Meenakshisundaram 2010-08-11 11:06:04 +00:00 committed by Stefano Sabatini
parent fd7b11d027
commit cc80caff52
10 changed files with 59 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ffmpeg.c
View File

@ -377,8 +377,8 @@ static int get_filtered_video_pic(AVFilterContext *ctx,
memcpy(pic2->data, pic->data, sizeof(pic->data));
memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
pic2->interlaced_frame = pic->interlaced;
pic2->top_field_first = pic->top_field_first;
pic2->interlaced_frame = pic->video->interlaced;
pic2->top_field_first = pic->video->top_field_first;
return 1;
}
@ -1701,7 +1701,8 @@ static int output_packet(AVInputStream *ist, int ist_index,
break;
case AVMEDIA_TYPE_VIDEO:
#if CONFIG_AVFILTER
ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
if (ist->picref->video)
ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
#endif
do_video_out(os, ost, ist, &picture, &frame_size);
if (vstats_filename && frame_size)

12
ffplay.c
View File

@ -694,10 +694,10 @@ static void video_image_display(VideoState *is)
vp = &is->pictq[is->pictq_rindex];
if (vp->bmp) {
#if CONFIG_AVFILTER
if (vp->picref->pixel_aspect.num == 0)
if (vp->picref->video->pixel_aspect.num == 0)
aspect_ratio = 0;
else
aspect_ratio = av_q2d(vp->picref->pixel_aspect);
aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
#else
/* XXX: use variable in the frame */
@ -1582,8 +1582,8 @@ static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
return -1;
ref->w = codec->width;
ref->h = codec->height;
ref->video->w = codec->width;
ref->video->h = codec->height;
for(i = 0; i < 4; i ++) {
unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
@ -1616,7 +1616,7 @@ static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
return codec->get_buffer(codec, pic);
}
if ((codec->width != ref->w) || (codec->height != ref->h) ||
if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
(codec->pix_fmt != ref->format)) {
av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
return -1;
@ -1677,7 +1677,7 @@ static int input_request_frame(AVFilterLink *link)
picref->pts = pts;
picref->pos = pkt.pos;
picref->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
avfilter_start_frame(link, picref);
avfilter_draw_slice(link, 0, link->h, 1);
avfilter_end_frame(link);

9
libavfilter/avfilter.c
View File

@ -49,6 +49,10 @@ AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
*ret = *ref;
if (ref->type == AVMEDIA_TYPE_VIDEO) {
ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
*ret->video = *ref->video;
}
ret->perms &= pmask;
ret->buf->refcount ++;
return ret;
@ -58,6 +62,7 @@ void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if(!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref->video);
av_free(ref);
}
@ -179,7 +184,7 @@ void ff_dprintf_picref(void *ctx, AVFilterBufferRef *picref, int end)
picref->data [0], picref->data [1], picref->data [2], picref->data [3],
picref->linesize[0], picref->linesize[1], picref->linesize[2], picref->linesize[3],
picref->pts, picref->pos,
picref->pixel_aspect.num, picref->pixel_aspect.den, picref->w, picref->h,
picref->video->pixel_aspect.num, picref->video->pixel_aspect.den, picref->video->w, picref->video->h,
end ? "\n" : "");
}
@ -314,7 +319,7 @@ void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
for(i = 0; i < 4; i ++) {
int planew =
ff_get_plane_bytewidth(link->format, link->cur_buf->w, i);
ff_get_plane_bytewidth(link->format, link->cur_buf->video->w, i);
if(!src[i]) continue;

34
libavfilter/avfilter.h
View File

@ -25,7 +25,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 1
#define LIBAVFILTER_VERSION_MINOR 31
#define LIBAVFILTER_VERSION_MINOR 32
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
@ -88,6 +88,20 @@ typedef struct AVFilterBuffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
/**
* Video specific properties in a reference to an AVFilterBuffer. Since
* AVFilterBufferRef is common to different media formats, video specific
* per reference properties must be separated out.
*/
typedef struct AVFilterBufferRefVideoProps
{
int w; ///< image width
int h; ///< image height
AVRational pixel_aspect; ///< pixel aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
} AVFilterBufferRefVideoProps;
/**
* A reference to an AVFilterBuffer. Since filters can manipulate the origin of
* a buffer to, for example, crop image without any memcpy, the buffer origin
@ -101,19 +115,15 @@ typedef struct AVFilterBufferRef
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
int h; ///< image height
int format; ///< media format
int64_t pts; ///< presentation timestamp in units of 1/AV_TIME_BASE
int64_t pos; ///< byte position in stream, -1 if unknown
AVRational pixel_aspect; ///< pixel aspect ratio
int perms; ///< permissions, see the AV_PERM_* flags
int interlaced; ///< is frame interlaced
int top_field_first;
enum AVMediaType type; ///< media type of buffer data
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
} AVFilterBufferRef;
/**
@ -122,13 +132,13 @@ typedef struct AVFilterBufferRef
*/
static inline void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
{
// copy common properties
dst->pts = src->pts;
dst->pos = src->pos;
dst->pixel_aspect = src->pixel_aspect;
dst->interlaced = src->interlaced;
dst->top_field_first = src->top_field_first;
dst->w = src->w;
dst->h = src->h;
switch (src->type) {
case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
}
}
/**

13
libavfilter/defaults.c
View File

@ -39,9 +39,10 @@ AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, int per
int i, tempsize;
char *buf;
ref->buf = pic;
ref->w = w;
ref->h = h;
ref->buf = pic;
ref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps));
ref->video->w = w;
ref->video->h = h;
/* make sure the buffer gets read permission or it's useless for output */
ref->perms = perms | AV_PERM_READ;
@ -49,15 +50,15 @@ AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, int per
pic->refcount = 1;
ref->format = link->format;
pic->free = avfilter_default_free_buffer;
av_fill_image_linesizes(pic->linesize, ref->format, ref->w);
av_fill_image_linesizes(pic->linesize, ref->format, ref->video->w);
for (i=0; i<4;i++)
pic->linesize[i] = FFALIGN(pic->linesize[i], 16);
tempsize = av_fill_image_pointers(pic->data, ref->format, ref->h, NULL, pic->linesize);
tempsize = av_fill_image_pointers(pic->data, ref->format, ref->video->h, NULL, pic->linesize);
buf = av_malloc(tempsize + 16); // +2 is needed for swscaler, +16 to be
// SIMD-friendly
av_fill_image_pointers(pic->data, ref->format, ref->h, buf, pic->linesize);
av_fill_image_pointers(pic->data, ref->format, ref->video->h, buf, pic->linesize);
memcpy(ref->data, pic->data, 4*sizeof(pic->data[0]));
memcpy(ref->linesize, pic->linesize, 4*sizeof(pic->linesize[0]));

2
libavfilter/vf_aspect.c
View File

@ -60,7 +60,7 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
AspectContext *aspect = link->dst->priv;
picref->pixel_aspect = aspect->aspect;
picref->video->pixel_aspect = aspect->aspect;
avfilter_start_frame(link->dst->outputs[0], picref);
}

4
libavfilter/vf_crop.c
View File

@ -135,8 +135,8 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
AVFilterBufferRef *ref2 = avfilter_ref_buffer(picref, ~0);
int i;
ref2->w = crop->w;
ref2->h = crop->h;
picref->video->w = crop->w;
picref->video->h = crop->h;
ref2->data[0] += crop->y * ref2->linesize[0];
ref2->data[0] += (crop->x * crop->max_step[0]);

6
libavfilter/vf_pad.c
View File

@ -428,9 +428,9 @@ static int color_request_frame(AVFilterLink *link)
{
ColorContext *color = link->src->priv;
AVFilterBufferRef *picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, color->w, color->h);
picref->pixel_aspect = (AVRational) {1, 1};
picref->pts = av_rescale_q(color->pts++, color->time_base, AV_TIME_BASE_Q);
picref->pos = 0;
picref->video->pixel_aspect = (AVRational) {1, 1};
picref->pts = av_rescale_q(color->pts++, color->time_base, AV_TIME_BASE_Q);
picref->pos = 0;
avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
draw_rectangle(picref,

6
libavfilter/vf_scale.c
View File

@ -156,9 +156,9 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
outlink->out_buf = outpicref;
av_reduce(&outpicref->pixel_aspect.num, &outpicref->pixel_aspect.den,
(int64_t)picref->pixel_aspect.num * outlink->h * link->w,
(int64_t)picref->pixel_aspect.den * outlink->w * link->h,
av_reduce(&outpicref->video->pixel_aspect.num, &outpicref->video->pixel_aspect.den,
(int64_t)picref->video->pixel_aspect.num * outlink->h * link->w,
(int64_t)picref->video->pixel_aspect.den * outlink->w * link->h,
INT_MAX);
scale->slice_y = 0;

8
libavfilter/vsrc_buffer.c
View File

@ -122,10 +122,10 @@ static int request_frame(AVFilterLink *link)
av_picture_copy((AVPicture *)&picref->data, (AVPicture *)&c->frame,
picref->format, link->w, link->h);
picref->pts = c->pts;
picref->pixel_aspect = c->pixel_aspect;
picref->interlaced = c->frame.interlaced_frame;
picref->top_field_first = c->frame.top_field_first;
picref->pts = c->pts;
picref->video->pixel_aspect = c->pixel_aspect;
picref->video->interlaced = c->frame.interlaced_frame;
picref->video->top_field_first = c->frame.top_field_first;
avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
avfilter_draw_slice(link, 0, link->h, 1);
avfilter_end_frame(link);