#undef NDEBUG
#include <assert.h>
-typedef struct {
- /**
- * 0: send 1 frame for each frame
- * 1: send 1 frame for each field
- * 2: like 0 but skips spatial interlacing check
- * 3: like 1 but skips spatial interlacing check
- */
- int mode;
-
- /**
- * 0: top field first
- * 1: bottom field first
- * -1: auto-detection
- */
- int parity;
-
- int frame_pending;
-
- /**
- * 0: deinterlace all frames
- * 1: only deinterlace frames marked as interlaced
- */
- int auto_enable;
-
- AVFilterBufferRef *cur;
- AVFilterBufferRef *next;
- AVFilterBufferRef *prev;
- AVFilterBufferRef *out;
- void (*filter_line)(uint8_t *dst,
- uint8_t *prev, uint8_t *cur, uint8_t *next,
- int w, int prefs, int mrefs, int parity, int mode);
-
- const AVPixFmtDescriptor *csp;
- int eof;
-} YADIFContext;
-
#define CHECK(j)\
{ int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
+ FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
}
}
}
-#if HAVE_MMX
- __asm__ volatile("emms \n\t" : : : "memory");
-#endif
+
+ emms_c();
}
static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms, int w, int h)
return picref;
}
-static void return_frame(AVFilterContext *ctx, int is_second)
+static int return_frame(AVFilterContext *ctx, int is_second)
{
YADIFContext *yadif = ctx->priv;
AVFilterLink *link= ctx->outputs[0];
- int tff;
+ int tff, ret;
if (yadif->parity == -1) {
tff = yadif->cur->video->interlaced ?
}
if (is_second) {
- yadif->out = avfilter_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
- AV_PERM_REUSE, link->w, link->h);
+ yadif->out = ff_get_video_buffer(link, AV_PERM_WRITE | AV_PERM_PRESERVE |
+ AV_PERM_REUSE, link->w, link->h);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
+
avfilter_copy_buffer_ref_props(yadif->out, yadif->cur);
yadif->out->video->interlaced = 0;
}
} else {
yadif->out->pts = AV_NOPTS_VALUE;
}
- ff_start_frame(ctx->outputs[0], yadif->out);
+ ret = ff_start_frame(ctx->outputs[0], yadif->out);
+ if (ret < 0)
+ return ret;
}
- ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
- ff_end_frame(ctx->outputs[0]);
+ if ((ret = ff_draw_slice(ctx->outputs[0], 0, link->h, 1)) < 0 ||
+ (ret = ff_end_frame(ctx->outputs[0])) < 0)
+ return ret;
yadif->frame_pending = (yadif->mode&1) && !is_second;
+ return 0;
}
-static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
AVFilterContext *ctx = link->dst;
YADIFContext *yadif = ctx->priv;
yadif->prev = yadif->cur;
yadif->cur = yadif->next;
yadif->next = picref;
+ link->cur_buf = NULL;
if (!yadif->cur)
- return;
+ return 0;
if (yadif->auto_enable && !yadif->cur->video->interlaced) {
yadif->out = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
- avfilter_unref_buffer(yadif->prev);
- yadif->prev = NULL;
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
+
+ avfilter_unref_bufferp(&yadif->prev);
if (yadif->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- ff_start_frame(ctx->outputs[0], yadif->out);
- return;
+ return ff_start_frame(ctx->outputs[0], yadif->out);
}
- if (!yadif->prev)
- yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
+ if (!yadif->prev &&
+ !(yadif->prev = avfilter_ref_buffer(yadif->cur, AV_PERM_READ)))
+ return AVERROR(ENOMEM);
- yadif->out = avfilter_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE |
- AV_PERM_REUSE, link->w, link->h);
+ yadif->out = ff_get_video_buffer(ctx->outputs[0], AV_PERM_WRITE | AV_PERM_PRESERVE |
+ AV_PERM_REUSE, link->w, link->h);
+ if (!yadif->out)
+ return AVERROR(ENOMEM);
avfilter_copy_buffer_ref_props(yadif->out, yadif->cur);
yadif->out->video->interlaced = 0;
if (yadif->out->pts != AV_NOPTS_VALUE)
yadif->out->pts *= 2;
- ff_start_frame(ctx->outputs[0], yadif->out);
+ return ff_start_frame(ctx->outputs[0], yadif->out);
}
-static void end_frame(AVFilterLink *link)
+static int end_frame(AVFilterLink *link)
{
AVFilterContext *ctx = link->dst;
YADIFContext *yadif = ctx->priv;
if (!yadif->out)
- return;
+ return 0;
if (yadif->auto_enable && !yadif->cur->video->interlaced) {
- ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
- ff_end_frame(ctx->outputs[0]);
- return;
+ int ret = ff_draw_slice(ctx->outputs[0], 0, link->h, 1);
+ if (ret >= 0)
+ ret = ff_end_frame(ctx->outputs[0]);
+ return ret;
}
return_frame(ctx, 0);
+ return 0;
}
static int request_frame(AVFilterLink *link)
if (ret == AVERROR_EOF && yadif->cur) {
AVFilterBufferRef *next = avfilter_ref_buffer(yadif->next, AV_PERM_READ);
+ if (!next)
+ return AVERROR(ENOMEM);
+
next->pts = yadif->next->pts * 2 - yadif->cur->pts;
start_frame(link->src->inputs[0], next);
{
YADIFContext *yadif = ctx->priv;
- if (yadif->prev) avfilter_unref_buffer(yadif->prev);
- if (yadif->cur ) avfilter_unref_buffer(yadif->cur );
- if (yadif->next) avfilter_unref_buffer(yadif->next);
+ if (yadif->prev) avfilter_unref_bufferp(&yadif->prev);
+ if (yadif->cur ) avfilter_unref_bufferp(&yadif->cur );
+ if (yadif->next) avfilter_unref_bufferp(&yadif->next);
}
static int query_formats(AVFilterContext *ctx)
return 0;
}
-static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
YADIFContext *yadif = ctx->priv;
- int cpu_flags = av_get_cpu_flags();
yadif->mode = 0;
yadif->parity = -1;
if (args) sscanf(args, "%d:%d:%d", &yadif->mode, &yadif->parity, &yadif->auto_enable);
yadif->filter_line = filter_line_c;
- if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
- yadif->filter_line = ff_yadif_filter_line_ssse3;
- else if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
- yadif->filter_line = ff_yadif_filter_line_sse2;
- else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
- yadif->filter_line = ff_yadif_filter_line_mmx;
- av_log(ctx, AV_LOG_INFO, "mode:%d parity:%d auto_enable:%d\n", yadif->mode, yadif->parity, yadif->auto_enable);
+ if (HAVE_MMX)
+ ff_yadif_init_x86(yadif);
+
+ av_log(ctx, AV_LOG_VERBOSE, "mode:%d parity:%d auto_enable:%d\n", yadif->mode, yadif->parity, yadif->auto_enable);
return 0;
}
-static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
+ return 0;
+}
static int config_props(AVFilterLink *link)
{
.uninit = uninit,
.query_formats = query_formats,
- .inputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .start_frame = start_frame,
- .get_video_buffer = get_video_buffer,
- .draw_slice = null_draw_slice,
- .end_frame = end_frame,
- .rej_perms = AV_PERM_REUSE2, },
- { .name = NULL}},
-
- .outputs = (const AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .poll_frame = poll_frame,
- .request_frame = request_frame,
- .config_props = config_props, },
- { .name = NULL}},
+ .inputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .start_frame = start_frame,
+ .get_video_buffer = get_video_buffer,
+ .draw_slice = null_draw_slice,
+ .end_frame = end_frame,
+ .rej_perms = AV_PERM_REUSE2, },
+ { .name = NULL}},
+
+ .outputs = (const AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .poll_frame = poll_frame,
+ .request_frame = request_frame,
+ .config_props = config_props, },
+ { .name = NULL}},
};