X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvideo.c;h=cb68ca41625336d091f3b061bf383ae6b488fa8c;hb=67360ccd51f37a6a4f31363f1c9fc46f43a22cb8;hp=211cec9055d46c3b2ce31fde1aecae636dcfdaa2;hpb=91791ac2edc46ff5f2ab09bbcdc58c3053f23075;p=ffmpeg diff --git a/libavfilter/video.c b/libavfilter/video.c index 211cec9055d..cb68ca41625 100644 --- a/libavfilter/video.c +++ b/libavfilter/video.c @@ -16,10 +16,15 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include +#include + #include "libavutil/imgutils.h" +#include "libavutil/mem.h" #include "avfilter.h" #include "internal.h" +#include "video.h" #ifdef DEBUG static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms) @@ -64,15 +69,15 @@ static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end) av_dlog(ctx, "]%s", end ? "\n" : ""); } -AVFilterBufferRef *avfilter_null_get_video_buffer(AVFilterLink *link, int perms, int w, int h) +AVFilterBufferRef *ff_null_get_video_buffer(AVFilterLink *link, int perms, int w, int h) { - return avfilter_get_video_buffer(link->dst->outputs[0], perms, w, h); + return ff_get_video_buffer(link->dst->outputs[0], perms, w, h); } /* TODO: set the buffer's priv member to a context structure for the whole * filter chain. This will allow for a buffer pool instead of the constant * alloc & free cycle currently implemented. */ -AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, int perms, int w, int h) +AVFilterBufferRef *ff_default_get_video_buffer(AVFilterLink *link, int perms, int w, int h) { int linesize[4]; uint8_t *data[4]; @@ -94,7 +99,7 @@ AVFilterBufferRef *avfilter_default_get_video_buffer(AVFilterLink *link, int per AVFilterBufferRef * avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms, - int w, int h, enum PixelFormat format) + int w, int h, enum AVPixelFormat format) { AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer)); AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef)); @@ -125,6 +130,8 @@ avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int pic-> extended_data = pic->data; picref->extended_data = picref->data; + picref->pts = AV_NOPTS_VALUE; + return picref; fail: @@ -135,7 +142,7 @@ fail: return NULL; } -AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int w, int h) +AVFilterBufferRef *ff_get_video_buffer(AVFilterLink *link, int perms, int w, int h) { AVFilterBufferRef *ret = NULL; @@ -147,7 +154,7 @@ AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int ret = link->dstpad->get_video_buffer(link, perms, w, h); if (!ret) - ret = avfilter_default_get_video_buffer(link, perms, w, h); + ret = ff_default_get_video_buffer(link, perms, w, h); if (ret) ret->type = AVMEDIA_TYPE_VIDEO; @@ -156,153 +163,3 @@ AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int return ret; } - -void avfilter_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref) -{ - avfilter_start_frame(link->dst->outputs[0], picref); -} - -void avfilter_default_start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref) -{ - AVFilterLink *outlink = NULL; - - if (inlink->dst->output_count) - outlink = inlink->dst->outputs[0]; - - if (outlink) { - outlink->out_buf = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h); - avfilter_copy_buffer_ref_props(outlink->out_buf, picref); - avfilter_start_frame(outlink, avfilter_ref_buffer(outlink->out_buf, ~0)); - } -} - -/* XXX: should we do the duplicating of the picture ref here, instead of - * forcing the source filter to do it? */ -void avfilter_start_frame(AVFilterLink *link, AVFilterBufferRef *picref) -{ - void (*start_frame)(AVFilterLink *, AVFilterBufferRef *); - AVFilterPad *dst = link->dstpad; - int perms = picref->perms; - - 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 & 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, - link->dstpad->min_perms, link->dstpad->rej_perms); - - link->cur_buf = avfilter_get_video_buffer(link, dst->min_perms, link->w, link->h); - link->src_buf = picref; - avfilter_copy_buffer_ref_props(link->cur_buf, link->src_buf); - } - else - link->cur_buf = picref; - - start_frame(link, link->cur_buf); -} - -void avfilter_null_end_frame(AVFilterLink *link) -{ - avfilter_end_frame(link->dst->outputs[0]); -} - -void avfilter_default_end_frame(AVFilterLink *inlink) -{ - AVFilterLink *outlink = NULL; - - if (inlink->dst->output_count) - outlink = inlink->dst->outputs[0]; - - avfilter_unref_buffer(inlink->cur_buf); - inlink->cur_buf = NULL; - - if (outlink) { - if (outlink->out_buf) { - avfilter_unref_buffer(outlink->out_buf); - outlink->out_buf = NULL; - } - avfilter_end_frame(outlink); - } -} - -void avfilter_end_frame(AVFilterLink *link) -{ - void (*end_frame)(AVFilterLink *); - - if (!(end_frame = link->dstpad->end_frame)) - end_frame = avfilter_default_end_frame; - - end_frame(link); - - /* unreference the source picture if we're feeding the destination filter - * a copied version dues to permission issues */ - if (link->src_buf) { - avfilter_unref_buffer(link->src_buf); - link->src_buf = NULL; - } -} - -void avfilter_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) -{ - avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir); -} - -void avfilter_default_draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir) -{ - AVFilterLink *outlink = NULL; - - if (inlink->dst->output_count) - outlink = inlink->dst->outputs[0]; - - if (outlink) - avfilter_draw_slice(outlink, y, h, slice_dir); -} - -void avfilter_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) -{ - uint8_t *src[4], *dst[4]; - int i, j, vsub; - void (*draw_slice)(AVFilterLink *, int, int, int); - - 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) { - vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h; - - for (i = 0; i < 4; i++) { - if (link->src_buf->data[i]) { - src[i] = link->src_buf-> data[i] + - (y >> (i==1 || i==2 ? vsub : 0)) * link->src_buf-> linesize[i]; - dst[i] = link->cur_buf->data[i] + - (y >> (i==1 || i==2 ? vsub : 0)) * link->cur_buf->linesize[i]; - } else - src[i] = dst[i] = NULL; - } - - for (i = 0; i < 4; i++) { - int planew = - av_image_get_linesize(link->format, link->cur_buf->video->w, i); - - if (!src[i]) continue; - - 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]; - } - } - } - - if (!(draw_slice = link->dstpad->draw_slice)) - draw_slice = avfilter_default_draw_slice; - draw_slice(link, y, h, slice_dir); -} -