#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
+#include "libavcore/audioconvert.h"
#include "libavcore/imgutils.h"
#include "avfilter.h"
#include "internal.h"
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
+ if (!ref)
+ return;
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
av_free(ref->video);
src->outputs[srcpad] || dst->inputs[dstpad])
return -1;
+ if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) {
+ av_log(src, AV_LOG_ERROR,
+ "Media type mismatch between the '%s' filter output pad %d and the '%s' filter input pad %d\n",
+ src->name, srcpad, dst->name, dstpad);
+ return AVERROR(EINVAL);
+ }
+
src->outputs[srcpad] =
dst-> inputs[dstpad] = link = av_mallocz(sizeof(AVFilterLink));
return 0;
}
-char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
+static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
{
- snprintf(buf, buf_size, "%s%s%s%s%s",
+ snprintf(buf, buf_size, "%s%s%s%s%s%s",
perms & AV_PERM_READ ? "r" : "",
perms & AV_PERM_WRITE ? "w" : "",
perms & AV_PERM_PRESERVE ? "p" : "",
perms & AV_PERM_REUSE ? "u" : "",
- perms & AV_PERM_REUSE2 ? "U" : "");
+ perms & AV_PERM_REUSE2 ? "U" : "",
+ perms & AV_PERM_NEG_LINESIZES ? "n" : "");
return buf;
}
-void ff_dprintf_ref(void *ctx, AVFilterBufferRef *ref, int end)
+static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
{
av_unused char buf[16];
- dprintf(ctx,
+ av_dlog(ctx,
"ref[%p buf:%p refcount:%d perms:%s data:%p linesize[%d, %d, %d, %d] pts:%"PRId64" pos:%"PRId64,
ref, ref->buf, ref->buf->refcount, ff_get_ref_perms_string(buf, sizeof(buf), ref->perms), ref->data[0],
ref->linesize[0], ref->linesize[1], ref->linesize[2], ref->linesize[3],
ref->pts, ref->pos);
if (ref->video) {
- dprintf(ctx, " a:%d/%d s:%dx%d i:%c",
+ av_dlog(ctx, " a:%d/%d s:%dx%d i:%c",
ref->video->pixel_aspect.num, ref->video->pixel_aspect.den,
ref->video->w, ref->video->h,
!ref->video->interlaced ? 'P' : /* Progressive */
ref->video->top_field_first ? 'T' : 'B'); /* Top / Bottom */
}
if (ref->audio) {
- dprintf(ctx, " cl:%"PRId64"d sn:%d s:%d sr:%d p:%d",
+ av_dlog(ctx, " cl:%"PRId64"d sn:%d s:%d sr:%d p:%d",
ref->audio->channel_layout,
- ref->audio->samples_nb,
+ ref->audio->nb_samples,
ref->audio->size,
ref->audio->sample_rate,
ref->audio->planar);
}
- dprintf(ctx, "]%s", end ? "\n" : "");
+ av_dlog(ctx, "]%s", end ? "\n" : "");
}
-void ff_dprintf_link(void *ctx, AVFilterLink *link, int end)
+static void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
{
- dprintf(ctx,
- "link[%p s:%dx%d fmt:%-16s %-16s->%-16s]%s",
- link, link->w, link->h,
- av_pix_fmt_descriptors[link->format].name,
- link->src ? link->src->filter->name : "",
- link->dst ? link->dst->filter->name : "",
- end ? "\n" : "");
+ if (link->type == AVMEDIA_TYPE_VIDEO) {
+ av_dlog(ctx,
+ "link[%p s:%dx%d fmt:%-16s %-16s->%-16s]%s",
+ link, link->w, link->h,
+ av_pix_fmt_descriptors[link->format].name,
+ link->src ? link->src->filter->name : "",
+ link->dst ? link->dst->filter->name : "",
+ end ? "\n" : "");
+ } else {
+ char buf[128];
+ av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
+
+ av_dlog(ctx,
+ "link[%p r:%"PRId64" cl:%s fmt:%-16s %-16s->%-16s]%s",
+ link, link->sample_rate, buf,
+ av_get_sample_fmt_name(link->format),
+ link->src ? link->src->filter->name : "",
+ link->dst ? link->dst->filter->name : "",
+ end ? "\n" : "");
+ }
}
+#define FF_DPRINTF_START(ctx, func) av_dlog(NULL, "%-16s: ", #func)
+
AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int w, int h)
{
AVFilterBufferRef *ret = NULL;
av_unused char buf[16];
- FF_DPRINTF_START(NULL, get_video_buffer); ff_dprintf_link(NULL, link, 0);
- dprintf(NULL, " perms:%s w:%d h:%d\n", ff_get_ref_perms_string(buf, sizeof(buf), perms), w, h);
+ FF_DPRINTF_START(NULL, get_video_buffer); ff_dlog_link(NULL, link, 0);
+ av_dlog(NULL, " perms:%s w:%d h:%d\n", ff_get_ref_perms_string(buf, sizeof(buf), perms), w, h);
if (link->dstpad->get_video_buffer)
ret = link->dstpad->get_video_buffer(link, perms, w, h);
if (ret)
ret->type = AVMEDIA_TYPE_VIDEO;
- FF_DPRINTF_START(NULL, get_video_buffer); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " returning "); ff_dprintf_ref(NULL, ret, 1);
+ FF_DPRINTF_START(NULL, get_video_buffer); ff_dlog_link(NULL, link, 0); av_dlog(NULL, " returning "); ff_dlog_ref(NULL, ret, 1);
return ret;
}
if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps))))
goto fail;
- picref->video->w = w;
- picref->video->h = h;
+ pic->w = picref->video->w = w;
+ pic->h = picref->video->h = h;
/* make sure the buffer gets read permission or it's useless for output */
picref->perms = perms | AV_PERM_READ;
pic->refcount = 1;
picref->type = AVMEDIA_TYPE_VIDEO;
- picref->format = format;
+ pic->format = picref->format = format;
memcpy(pic->data, data, sizeof(pic->data));
memcpy(pic->linesize, linesize, sizeof(pic->linesize));
int avfilter_request_frame(AVFilterLink *link)
{
- FF_DPRINTF_START(NULL, request_frame); ff_dprintf_link(NULL, link, 1);
+ FF_DPRINTF_START(NULL, request_frame); ff_dlog_link(NULL, link, 1);
if (link->srcpad->request_frame)
return link->srcpad->request_frame(link);
{
void (*start_frame)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = link->dstpad;
+ int perms = picref->perms;
- FF_DPRINTF_START(NULL, start_frame); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " "); ff_dprintf_ref(NULL, picref, 1);
+ FF_DPRINTF_START(NULL, start_frame); ff_dlog_link(NULL, link, 0); av_dlog(NULL, " "); ff_dlog_ref(NULL, picref, 1);
if (!(start_frame = dst->start_frame))
start_frame = avfilter_default_start_frame;
+ if (picref->linesize[0] < 0)
+ perms |= AV_PERM_NEG_LINESIZES;
/* prepare to copy the picture if it has insufficient permissions */
- if ((dst->min_perms & picref->perms) != dst->min_perms ||
- dst->rej_perms & picref->perms) {
+ if ((dst->min_perms & perms) != dst->min_perms || dst->rej_perms & perms) {
av_log(link->dst, AV_LOG_DEBUG,
"frame copy needed (have perms %x, need %x, reject %x)\n",
picref->perms,
int i, j, vsub;
void (*draw_slice)(AVFilterLink *, int, int, int);
- FF_DPRINTF_START(NULL, draw_slice); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " y:%d h:%d dir:%d\n", y, h, slice_dir);
+ FF_DPRINTF_START(NULL, draw_slice); ff_dlog_link(NULL, link, 0); av_dlog(NULL, " y:%d h:%d dir:%d\n", y, h, slice_dir);
/* copy the slice if needed for permission reasons */
if (link->src_buf) {
for (i = 0; i < 4; i++) {
if (link->src_buf->data[i]) {
src[i] = link->src_buf-> data[i] +
- (y >> (i==0 ? 0 : vsub)) * link->src_buf-> linesize[i];
+ (y >> (i==1 || i==2 ? vsub : 0)) * link->src_buf-> linesize[i];
dst[i] = link->cur_buf->data[i] +
- (y >> (i==0 ? 0 : vsub)) * link->cur_buf->linesize[i];
+ (y >> (i==1 || i==2 ? vsub : 0)) * link->cur_buf->linesize[i];
} else
src[i] = dst[i] = NULL;
}
if (!src[i]) continue;
- for (j = 0; j < h >> (i==0 ? 0 : vsub); j++) {
+ for (j = 0; j < h >> (i==1 || i==2 ? vsub : 0); j++) {
memcpy(dst[i], src[i], planew);
src[i] += link->src_buf->linesize[i];
dst[i] += link->cur_buf->linesize[i];
void (*filter_samples)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = link->dstpad;
+ FF_DPRINTF_START(NULL, filter_samples); ff_dlog_link(NULL, link, 1);
+
if (!(filter_samples = dst->filter_samples))
filter_samples = avfilter_default_filter_samples;