#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
#include "libavutil/audioconvert.h"
-#include "libavutil/imgutils.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
+
#include "avfilter.h"
+#include "formats.h"
#include "internal.h"
+char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
+{
+ 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_NEG_LINESIZES ? "n" : "");
+ return buf;
+}
+
+void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
+{
+ av_unused char buf[16];
+ 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) {
+ av_dlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
+ ref->video->sample_aspect_ratio.num, ref->video->sample_aspect_ratio.den,
+ ref->video->w, ref->video->h,
+ !ref->video->interlaced ? 'P' : /* Progressive */
+ ref->video->top_field_first ? 'T' : 'B', /* Top / Bottom */
+ ref->video->key_frame,
+ av_get_picture_type_char(ref->video->pict_type));
+ }
+ if (ref->audio) {
+ av_dlog(ctx, " cl:%"PRId64"d n:%d r:%d",
+ ref->audio->channel_layout,
+ ref->audio->nb_samples,
+ ref->audio->sample_rate);
+ }
+
+ av_dlog(ctx, "]%s", end ? "\n" : "");
+}
+
unsigned avfilter_version(void) {
av_assert0(LIBAVFILTER_VERSION_MICRO >= 100);
return LIBAVFILTER_VERSION_INT;
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-static void command_queue_pop(AVFilterContext *filter)
+void ff_command_queue_pop(AVFilterContext *filter)
{
AVFilterCommand *c= filter->command_queue;
av_freep(&c->arg);
av_free(c);
}
-AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
-{
- AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
- if (!ret)
- return NULL;
- *ret = *ref;
- if (ref->type == AVMEDIA_TYPE_VIDEO) {
- ret->video = av_malloc(sizeof(AVFilterBufferRefVideoProps));
- if (!ret->video) {
- av_free(ret);
- return NULL;
- }
- *ret->video = *ref->video;
- } else if (ref->type == AVMEDIA_TYPE_AUDIO) {
- ret->audio = av_malloc(sizeof(AVFilterBufferRefAudioProps));
- if (!ret->audio) {
- av_free(ret);
- return NULL;
- }
- *ret->audio = *ref->audio;
- }
- ret->perms &= pmask;
- ret->buf->refcount ++;
- return ret;
-}
-
-static void free_pool(AVFilterPool *pool)
-{
- int i;
-
- av_assert0(pool->refcount > 0);
-
- for (i = 0; i < POOL_SIZE; i++) {
- if (pool->pic[i]) {
- AVFilterBufferRef *picref = pool->pic[i];
- /* free buffer: picrefs stored in the pool are not
- * supposed to contain a free callback */
- av_assert0(!picref->buf->refcount);
- av_freep(&picref->buf->data[0]);
- av_freep(&picref->buf);
-
- av_freep(&picref->audio);
- av_freep(&picref->video);
- av_freep(&pool->pic[i]);
- pool->count--;
- }
- }
- pool->draining = 1;
-
- if (!--pool->refcount) {
- av_assert0(!pool->count);
- av_free(pool);
- }
-}
-
-static void store_in_pool(AVFilterBufferRef *ref)
-{
- int i;
- AVFilterPool *pool= ref->buf->priv;
-
- av_assert0(ref->buf->data[0]);
- av_assert0(pool->refcount>0);
-
- if (pool->count == POOL_SIZE) {
- AVFilterBufferRef *ref1 = pool->pic[0];
- av_freep(&ref1->video);
- av_freep(&ref1->audio);
- av_freep(&ref1->buf->data[0]);
- av_freep(&ref1->buf);
- av_free(ref1);
- memmove(&pool->pic[0], &pool->pic[1], sizeof(void*)*(POOL_SIZE-1));
- pool->count--;
- pool->pic[POOL_SIZE-1] = NULL;
- }
-
- for (i = 0; i < POOL_SIZE; i++) {
- if (!pool->pic[i]) {
- pool->pic[i] = ref;
- pool->count++;
- break;
- }
- }
- if (pool->draining) {
- free_pool(pool);
- } else
- --pool->refcount;
-}
-
-void avfilter_unref_buffer(AVFilterBufferRef *ref)
-{
- if (!ref)
- return;
- av_assert0(ref->buf->refcount > 0);
- if (!(--ref->buf->refcount)) {
- if (!ref->buf->free) {
- store_in_pool(ref);
- return;
- }
- ref->buf->free(ref->buf);
- }
- av_freep(&ref->video);
- av_freep(&ref->audio);
- av_free(ref);
-}
-
-void avfilter_unref_bufferp(AVFilterBufferRef **ref)
-{
- avfilter_unref_buffer(*ref);
- *ref = NULL;
-}
-
void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
AVFilterPad **pads, AVFilterLink ***links,
AVFilterPad *newpad)
return;
if ((*link)->pool)
- free_pool((*link)->pool);
+ ff_free_pool((*link)->pool);
av_freep(link);
}
if (link->out_formats)
avfilter_formats_changeref(&link->out_formats,
&filt->outputs[filt_dstpad_idx]->out_formats);
- if (link->out_chlayouts)
- avfilter_formats_changeref(&link->out_chlayouts,
- &filt->outputs[filt_dstpad_idx]->out_chlayouts);
- if (link->out_packing)
- avfilter_formats_changeref(&link->out_packing,
- &filt->outputs[filt_dstpad_idx]->out_packing);
+ if (link->out_channel_layouts)
+ ff_channel_layouts_changeref(&link->out_channel_layouts,
+ &filt->outputs[filt_dstpad_idx]->out_channel_layouts);
+ if (link->out_samplerates)
+ avfilter_formats_changeref(&link->out_samplerates,
+ &filt->outputs[filt_dstpad_idx]->out_samplerates);
return 0;
}
return 0;
}
-static char *ff_get_ref_perms_string(char *buf, size_t buf_size, int perms)
-{
- 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_NEG_LINESIZES ? "n" : "");
- return buf;
-}
-
-static void ff_dlog_ref(void *ctx, AVFilterBufferRef *ref, int end)
-{
- av_unused char buf[16];
- 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) {
- av_dlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
- ref->video->sample_aspect_ratio.num, ref->video->sample_aspect_ratio.den,
- ref->video->w, ref->video->h,
- !ref->video->interlaced ? 'P' : /* Progressive */
- ref->video->top_field_first ? 'T' : 'B', /* Top / Bottom */
- ref->video->key_frame,
- av_get_picture_type_char(ref->video->pict_type));
- }
- if (ref->audio) {
- av_dlog(ctx, " cl:%"PRId64"d n:%d r:%d p:%d",
- ref->audio->channel_layout,
- ref->audio->nb_samples,
- ref->audio->sample_rate,
- ref->audio->planar);
- }
-
- av_dlog(ctx, "]%s", end ? "\n" : "");
-}
-
-static void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
+void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
{
if (link->type == AVMEDIA_TYPE_VIDEO) {
av_dlog(ctx,
}
}
-#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_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 = avfilter_default_get_video_buffer(link, perms, w, h);
-
- if (ret)
- ret->type = AVMEDIA_TYPE_VIDEO;
-
- 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;
-}
-
-AVFilterBufferRef *
-avfilter_get_video_buffer_ref_from_arrays(uint8_t * const data[4], const int linesize[4], int perms,
- int w, int h, enum PixelFormat format)
-{
- AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer));
- AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef));
-
- if (!pic || !picref)
- goto fail;
-
- picref->buf = pic;
- picref->buf->free = ff_avfilter_default_free_buffer;
- if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps))))
- goto fail;
-
- 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;
- pic->format = picref->format = format;
-
- memcpy(pic->data, data, 4*sizeof(data[0]));
- memcpy(pic->linesize, linesize, 4*sizeof(linesize[0]));
- memcpy(picref->data, pic->data, sizeof(picref->data));
- memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize));
-
- return picref;
-
-fail:
- if (picref && picref->video)
- av_free(picref->video);
- av_free(picref);
- av_free(pic);
- return NULL;
-}
-
-AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link,
- int perms, int nb_samples)
-{
- AVFilterBufferRef *ret = NULL;
-
- if (link->dstpad->get_audio_buffer)
- ret = link->dstpad->get_audio_buffer(link, perms, nb_samples);
-
- if (!ret)
- ret = avfilter_default_get_audio_buffer(link, perms, nb_samples);
-
- if (ret)
- ret->type = AVMEDIA_TYPE_AUDIO;
-
- return ret;
-}
-
-AVFilterBufferRef *
-avfilter_get_audio_buffer_ref_from_arrays(uint8_t *data[8], int linesize[8], int perms,
- int nb_samples, enum AVSampleFormat sample_fmt,
- uint64_t channel_layout, int planar)
-{
- AVFilterBuffer *samples = av_mallocz(sizeof(AVFilterBuffer));
- AVFilterBufferRef *samplesref = av_mallocz(sizeof(AVFilterBufferRef));
-
- if (!samples || !samplesref)
- goto fail;
-
- samplesref->buf = samples;
- samplesref->buf->free = ff_avfilter_default_free_buffer;
- if (!(samplesref->audio = av_mallocz(sizeof(AVFilterBufferRefAudioProps))))
- goto fail;
-
- samplesref->audio->nb_samples = nb_samples;
- samplesref->audio->channel_layout = channel_layout;
- samplesref->audio->planar = planar;
-
- /* make sure the buffer gets read permission or it's useless for output */
- samplesref->perms = perms | AV_PERM_READ;
-
- samples->refcount = 1;
- samplesref->type = AVMEDIA_TYPE_AUDIO;
- samplesref->format = sample_fmt;
-
- memcpy(samples->data, data, sizeof(samples->data));
- memcpy(samples->linesize, linesize, sizeof(samples->linesize));
- memcpy(samplesref->data, data, sizeof(samplesref->data));
- memcpy(samplesref->linesize, linesize, sizeof(samplesref->linesize));
-
- return samplesref;
-
-fail:
- if (samplesref && samplesref->audio)
- av_freep(&samplesref->audio);
- av_freep(&samplesref);
- av_freep(&samples);
- return NULL;
-}
-
int avfilter_request_frame(AVFilterLink *link)
{
FF_DPRINTF_START(NULL, request_frame); ff_dlog_link(NULL, link, 1);
return min;
}
-static void update_link_current_pts(AVFilterLink *link, int64_t pts)
+void ff_update_link_current_pts(AVFilterLink *link, int64_t pts)
{
if (pts == AV_NOPTS_VALUE)
return;
ff_avfilter_graph_update_heap(link->graph, link);
}
-/* 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;
- AVFilterCommand *cmd= link->dst->command_queue;
-
- 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;
-
- while(cmd && cmd->time <= picref->pts * av_q2d(link->time_base)){
- av_log(link->dst, AV_LOG_DEBUG,
- "Processing command time:%f command:%s arg:%s\n",
- cmd->time, cmd->command, cmd->arg);
- avfilter_process_command(link->dst, cmd->command, cmd->arg, 0, 0, cmd->flags);
- command_queue_pop(link->dst);
- cmd= link->dst->command_queue;
- }
-
- start_frame(link, link->cur_buf);
- update_link_current_pts(link, link->cur_buf->pts);
-}
-
-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_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);
-}
-
int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags)
{
if(!strcmp(cmd, "ping")){
return AVERROR(ENOSYS);
}
-void avfilter_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
-{
- void (*filter_samples)(AVFilterLink *, AVFilterBufferRef *);
- AVFilterPad *dst = link->dstpad;
- int i;
- int64_t pts;
-
- FF_DPRINTF_START(NULL, filter_samples); ff_dlog_link(NULL, link, 1);
-
- if (!(filter_samples = dst->filter_samples))
- filter_samples = avfilter_default_filter_samples;
-
- /* prepare to copy the samples if the buffer has insufficient permissions */
- if ((dst->min_perms & samplesref->perms) != dst->min_perms ||
- dst->rej_perms & samplesref->perms) {
-
- av_log(link->dst, AV_LOG_DEBUG,
- "Copying audio data in avfilter (have perms %x, need %x, reject %x)\n",
- samplesref->perms, link->dstpad->min_perms, link->dstpad->rej_perms);
-
- link->cur_buf = avfilter_default_get_audio_buffer(link, dst->min_perms,
- samplesref->audio->nb_samples);
- link->cur_buf->pts = samplesref->pts;
- link->cur_buf->audio->sample_rate = samplesref->audio->sample_rate;
-
- /* Copy actual data into new samples buffer */
- for (i = 0; samplesref->data[i] && i < 8; i++)
- memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]);
-
- avfilter_unref_buffer(samplesref);
- } else
- link->cur_buf = samplesref;
-
- pts = link->cur_buf->pts;
- filter_samples(link, link->cur_buf);
- update_link_current_pts(link, pts);
-}
-
#define MAX_REGISTERED_AVFILTERS_NB 128
static AVFilter *registered_avfilters[MAX_REGISTERED_AVFILTERS_NB + 1];
return count;
}
-static const char *filter_name(void *p)
+const char *avfilter_default_filter_name(void *filter_ctx)
{
- AVFilterContext *filter = p;
- return filter->filter->name;
+ AVFilterContext *ctx = filter_ctx;
+ return ctx->name ? ctx->name : ctx->filter->name;
}
static const AVClass avfilter_class = {
- "AVFilter",
- filter_name,
- NULL,
- LIBAVUTIL_VERSION_INT,
+ .class_name = "AVFilter",
+ .item_name = avfilter_default_filter_name,
+ .version = LIBAVUTIL_VERSION_INT,
+ .category = AV_CLASS_CATEGORY_FILTER,
};
int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name)
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
+ avfilter_formats_unref(&link->in_samplerates);
+ avfilter_formats_unref(&link->out_samplerates);
+ ff_channel_layouts_unref(&link->in_channel_layouts);
+ ff_channel_layouts_unref(&link->out_channel_layouts);
}
avfilter_link_free(&link);
}
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
+ avfilter_formats_unref(&link->in_samplerates);
+ avfilter_formats_unref(&link->out_samplerates);
+ ff_channel_layouts_unref(&link->in_channel_layouts);
+ ff_channel_layouts_unref(&link->out_channel_layouts);
}
avfilter_link_free(&link);
}
av_freep(&filter->outputs);
av_freep(&filter->priv);
while(filter->command_queue){
- command_queue_pop(filter);
+ ff_command_queue_pop(filter);
}
av_free(filter);
}
ret = filter->filter->init(filter, args, opaque);
return ret;
}
-
-void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
-{
- // copy common properties
- dst->pts = src->pts;
- dst->pos = src->pos;
-
- switch (src->type) {
- case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
- case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
- default: break;
- }
-}
projects / ffmpeg / blobdiff