diff options
Diffstat (limited to 'libavfilter/defaults.c')
-rw-r--r-- | libavfilter/defaults.c | 140 |
1 files changed, 3 insertions, 137 deletions
diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c index d2e01499be..31dc18d9f7 100644 --- a/libavfilter/defaults.c +++ b/libavfilter/defaults.c @@ -26,111 +26,7 @@ #include "avfilter.h" #include "internal.h" - -void ff_avfilter_default_free_buffer(AVFilterBuffer *ptr) -{ - if (ptr->extended_data != ptr->data) - av_freep(&ptr->extended_data); - av_free(ptr->data[0]); - av_free(ptr); -} - -/* 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) -{ - int linesize[4]; - uint8_t *data[4]; - int i; - AVFilterBufferRef *picref = NULL; - AVFilterPool *pool = link->pool; - - if (pool) { - for (i = 0; i < POOL_SIZE; i++) { - picref = pool->pic[i]; - if (picref && picref->buf->format == link->format && picref->buf->w == w && picref->buf->h == h) { - AVFilterBuffer *pic = picref->buf; - pool->pic[i] = NULL; - pool->count--; - picref->video->w = w; - picref->video->h = h; - picref->perms = perms | AV_PERM_READ; - picref->format = link->format; - pic->refcount = 1; - memcpy(picref->data, pic->data, sizeof(picref->data)); - memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize)); - pool->refcount++; - return picref; - } - } - } else { - pool = link->pool = av_mallocz(sizeof(AVFilterPool)); - pool->refcount = 1; - } - - // align: +2 is needed for swscaler, +16 to be SIMD-friendly - if ((i = av_image_alloc(data, linesize, w, h, link->format, 32)) < 0) - return NULL; - - picref = avfilter_get_video_buffer_ref_from_arrays(data, linesize, - perms, w, h, link->format); - if (!picref) { - av_free(data[0]); - return NULL; - } - memset(data[0], 128, i); - - picref->buf->priv = pool; - picref->buf->free = NULL; - pool->refcount++; - - return 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)); - } -} - -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_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); - } -} +#include "formats.h" static void set_common_formats(AVFilterContext *ctx, AVFilterFormats *fmts, enum AVMediaType type, int offin, int offout) @@ -170,8 +66,8 @@ void avfilter_set_common_sample_formats(AVFilterContext *ctx, AVFilterFormats *f void avfilter_set_common_channel_layouts(AVFilterContext *ctx, AVFilterFormats *formats) { set_common_formats(ctx, formats, AVMEDIA_TYPE_AUDIO, - offsetof(AVFilterLink, in_chlayouts), - offsetof(AVFilterLink, out_chlayouts)); + offsetof(AVFilterLink, in_channel_layouts), + offsetof(AVFilterLink, out_channel_layouts)); } void avfilter_set_common_packing_formats(AVFilterContext *ctx, AVFilterFormats *formats) @@ -180,33 +76,3 @@ void avfilter_set_common_packing_formats(AVFilterContext *ctx, AVFilterFormats * offsetof(AVFilterLink, in_packing), offsetof(AVFilterLink, out_packing)); } - -int avfilter_default_query_formats(AVFilterContext *ctx) -{ - avfilter_set_common_pixel_formats(ctx, avfilter_make_all_formats(AVMEDIA_TYPE_VIDEO)); - avfilter_set_common_sample_formats(ctx, avfilter_make_all_formats(AVMEDIA_TYPE_AUDIO)); - avfilter_set_common_channel_layouts(ctx, avfilter_make_all_channel_layouts()); - avfilter_set_common_packing_formats(ctx, avfilter_make_all_packing_formats()); - - return 0; -} - -void avfilter_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref) -{ - avfilter_start_frame(link->dst->outputs[0], picref); -} - -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_null_end_frame(AVFilterLink *link) -{ - avfilter_end_frame(link->dst->outputs[0]); -} - -AVFilterBufferRef *avfilter_null_get_video_buffer(AVFilterLink *link, int perms, int w, int h) -{ - return avfilter_get_video_buffer(link->dst->outputs[0], perms, w, h); -} |