#include "libavutil/rational.h"
#include "libavutil/audioconvert.h"
#include "libavutil/imgutils.h"
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
#include "avfilter.h"
#include "internal.h"
return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
+static void command_queue_pop(AVFilterContext *filter)
+{
+ AVFilterCommand *c= filter->command_queue;
+ av_freep(&c->arg);
+ av_freep(&c->command);
+ filter->command_queue= c->next;
+ av_free(c);
+}
+
AVFilterBufferRef *avfilter_ref_buffer(AVFilterBufferRef *ref, int pmask)
{
AVFilterBufferRef *ret = av_malloc(sizeof(AVFilterBufferRef));
return ret;
}
+static void store_in_pool(AVFilterBufferRef *ref)
+{
+ int i;
+ AVFilterPool *pool= ref->buf->priv;
+
+ av_assert0(ref->buf->data[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;
+ }
+ }
+}
+
void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
- if (!(--ref->buf->refcount))
+ if (!(--ref->buf->refcount)) {
+ if (!ref->buf->free) {
+ store_in_pool(ref);
+ return;
+ }
ref->buf->free(ref->buf);
- av_free(ref->video);
- av_free(ref->audio);
+ }
+ av_freep(&ref->video);
+ av_freep(&ref->audio);
av_free(ref);
}
return 0;
}
+void avfilter_link_free(AVFilterLink **link)
+{
+ if (!*link)
+ return;
+
+ if ((*link)->pool) {
+ int i;
+ for (i = 0; i < POOL_SIZE; i++) {
+ if ((*link)->pool->pic[i]) {
+ AVFilterBufferRef *picref = (*link)->pool->pic[i];
+ /* free buffer: picrefs stored in the pool are not
+ * supposed to contain a free callback */
+ av_freep(&picref->buf->data[0]);
+ av_freep(&picref->buf);
+
+ av_freep(&picref->audio);
+ av_freep(&picref->video);
+ av_freep(&(*link)->pool->pic[i]);
+ }
+ }
+ (*link)->pool->count = 0;
+// av_freep(&(*link)->pool);
+ }
+ av_freep(link);
+}
+
int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
unsigned filt_srcpad_idx, unsigned filt_dstpad_idx)
{
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);
return 0;
}
for (i = 0; i < filter->input_count; i ++) {
AVFilterLink *link = filter->inputs[i];
+ AVFilterLink *inlink = link->src->input_count ?
+ link->src->inputs[0] : NULL;
if (!link) continue;
if ((ret = avfilter_config_links(link->src)) < 0)
return ret;
- if (!(config_link = link->srcpad->config_props))
- config_link = avfilter_default_config_output_link;
- if ((ret = config_link(link)) < 0)
+ if (!(config_link = link->srcpad->config_props)) {
+ if (link->src->input_count != 1) {
+ av_log(link->src, AV_LOG_ERROR, "Source filters and filters "
+ "with more than one input "
+ "must set config_props() "
+ "callbacks on all outputs\n");
+ return AVERROR(EINVAL);
+ }
+ } else if ((ret = config_link(link)) < 0)
return ret;
- if (link->time_base.num == 0 && link->time_base.den == 0)
- link->time_base = link->src && link->src->input_count ?
- link->src->inputs[0]->time_base : AV_TIME_BASE_Q;
-
- if (link->sample_aspect_ratio.num == 0 && link->sample_aspect_ratio.den == 0)
- link->sample_aspect_ratio = link->src->input_count ?
- link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
-
- if (link->sample_rate == 0 && link->src && link->src->input_count)
- link->sample_rate = link->src->inputs[0]->sample_rate;
-
- if (link->channel_layout == 0 && link->src && link->src->input_count)
- link->channel_layout = link->src->inputs[0]->channel_layout;
+ switch (link->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ if (!link->time_base.num && !link->time_base.den)
+ link->time_base = inlink ? inlink->time_base : AV_TIME_BASE_Q;
+
+ if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
+ link->sample_aspect_ratio = inlink ?
+ inlink->sample_aspect_ratio : (AVRational){1,1};
+
+ if (inlink) {
+ if (!link->w)
+ link->w = inlink->w;
+ if (!link->h)
+ link->h = inlink->h;
+ } else if (!link->w || !link->h) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Video source filters must set their output link's "
+ "width and height\n");
+ return AVERROR(EINVAL);
+ }
+ break;
+
+ case AVMEDIA_TYPE_AUDIO:
+ if (inlink) {
+ if (!link->sample_rate)
+ link->sample_rate = inlink->sample_rate;
+ if (!link->time_base.num && !link->time_base.den)
+ link->time_base = inlink->time_base;
+ } else if (!link->sample_rate) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Audio source filters must set their output link's "
+ "sample_rate\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (!link->time_base.num && !link->time_base.den)
+ link->time_base = (AVRational) {1, link->sample_rate};
+ }
if ((config_link = link->dstpad->config_props))
if ((ret = config_link(link)) < 0)
ref->pts, ref->pos);
if (ref->video) {
- av_dlog(ctx, " a:%d/%d s:%dx%d i:%c",
- ref->video->pixel_aspect.num, ref->video->pixel_aspect.den,
+ 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->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 sn:%d s:%d sr:%d p:%d",
+ av_dlog(ctx, " cl:%"PRId64"d n:%d r:%d p:%d",
ref->audio->channel_layout,
ref->audio->nb_samples,
- ref->audio->size,
ref->audio->sample_rate,
ref->audio->planar);
}
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,
+ "link[%p r:%d cl:%s fmt:%-16s %-16s->%-16s]%s",
+ link, (int)link->sample_rate, buf,
av_get_sample_fmt_name(link->format),
link->src ? link->src->filter->name : "",
link->dst ? link->dst->filter->name : "",
}
AVFilterBufferRef *
-avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms,
+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));
return NULL;
}
-AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms,
- enum AVSampleFormat sample_fmt, int size,
- int64_t channel_layout, int planar)
+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, sample_fmt, size, channel_layout, planar);
+ ret = link->dstpad->get_audio_buffer(link, perms, nb_samples);
if (!ret)
- ret = avfilter_default_get_audio_buffer(link, perms, sample_fmt, size, channel_layout, planar);
+ 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,
+ int64_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);
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);
else
link->cur_buf = picref;
+ while(cmd && cmd->time <= picref->pts * av_q2d(link->time_base)){
+ 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);
}
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")){
+ av_strlcatf(res, res_len, "pong from:%s %s\n", filter->filter->name, filter->name);
+ return 0;
+ }else if(filter->filter->process_command) {
+ return filter->filter->process_command(filter, cmd, arg, res, res_len, flags);
+ }
+ return AVERROR(ENOSYS);
+}
+
void avfilter_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref)
{
void (*filter_samples)(AVFilterLink *, AVFilterBufferRef *);
AVFilterPad *dst = link->dstpad;
+ int i;
FF_DPRINTF_START(NULL, filter_samples); ff_dlog_link(NULL, link, 1);
samplesref->perms, link->dstpad->min_perms, link->dstpad->rej_perms);
link->cur_buf = avfilter_default_get_audio_buffer(link, dst->min_perms,
- samplesref->format,
- samplesref->audio->size,
- samplesref->audio->channel_layout,
- samplesref->audio->planar);
+ 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 */
- memcpy(link->cur_buf->data[0], samplesref->data[0], samplesref->audio->size);
+ for (i = 0; samplesref->data[i]; i++)
+ memcpy(link->cur_buf->data[i], samplesref->data[i], samplesref->linesize[0]);
avfilter_unref_buffer(samplesref);
} else
return AVERROR(EINVAL);
ret = av_mallocz(sizeof(AVFilterContext));
+ if (!ret)
+ return AVERROR(ENOMEM);
ret->av_class = &avfilter_class;
ret->filter = filter;
ret->name = inst_name ? av_strdup(inst_name) : NULL;
- ret->priv = av_mallocz(filter->priv_size);
+ if (filter->priv_size) {
+ ret->priv = av_mallocz(filter->priv_size);
+ if (!ret->priv)
+ goto err;
+ }
ret->input_count = pad_count(filter->inputs);
if (ret->input_count) {
ret->input_pads = av_malloc(sizeof(AVFilterPad) * ret->input_count);
+ if (!ret->input_pads)
+ goto err;
memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->input_count);
ret->inputs = av_mallocz(sizeof(AVFilterLink*) * ret->input_count);
+ if (!ret->inputs)
+ goto err;
}
ret->output_count = pad_count(filter->outputs);
if (ret->output_count) {
ret->output_pads = av_malloc(sizeof(AVFilterPad) * ret->output_count);
+ if (!ret->output_pads)
+ goto err;
memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->output_count);
ret->outputs = av_mallocz(sizeof(AVFilterLink*) * ret->output_count);
+ if (!ret->outputs)
+ goto err;
}
*filter_ctx = ret;
return 0;
+
+err:
+ av_freep(&ret->inputs);
+ av_freep(&ret->input_pads);
+ ret->input_count = 0;
+ av_freep(&ret->outputs);
+ av_freep(&ret->output_pads);
+ ret->output_count = 0;
+ av_freep(&ret->priv);
+ av_free(ret);
+ return AVERROR(ENOMEM);
}
void avfilter_free(AVFilterContext *filter)
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
}
- av_freep(&link);
+ avfilter_link_free(&link);
}
for (i = 0; i < filter->output_count; i++) {
if ((link = filter->outputs[i])) {
avfilter_formats_unref(&link->in_formats);
avfilter_formats_unref(&link->out_formats);
}
- av_freep(&link);
+ avfilter_link_free(&link);
}
av_freep(&filter->name);
av_freep(&filter->inputs);
av_freep(&filter->outputs);
av_freep(&filter->priv);
+ while(filter->command_queue){
+ command_queue_pop(filter);
+ }
av_free(filter);
}
projects / ffmpeg / blobdiff