/* #define DEBUG */
+#include "libavutil/channel_layout.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/rational.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/samplefmt.h"
+#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
+#include "video.h"
unsigned avfilter_version(void) {
return LIBAVFILTER_VERSION_INT;
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
-void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
- AVFilterPad **pads, AVFilterLink ***links,
- AVFilterPad *newpad)
+void ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
+ AVFilterPad **pads, AVFilterLink ***links,
+ AVFilterPad *newpad)
{
unsigned i;
{
AVFilterLink *link;
- if (src->output_count <= srcpad || dst->input_count <= dstpad ||
- src->outputs[srcpad] || dst->inputs[dstpad])
+ if (src->nb_outputs <= srcpad || dst->nb_inputs <= dstpad ||
+ src->outputs[srcpad] || dst->inputs[dstpad])
return -1;
if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) {
link->srcpad = &src->output_pads[srcpad];
link->dstpad = &dst->input_pads[dstpad];
link->type = src->output_pads[srcpad].type;
- assert(PIX_FMT_NONE == -1 && AV_SAMPLE_FMT_NONE == -1);
+ assert(AV_PIX_FMT_NONE == -1 && AV_SAMPLE_FMT_NONE == -1);
link->format = -1;
return 0;
int ret;
unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
- av_log(link->dst, AV_LOG_INFO, "auto-inserting filter '%s' "
+ av_log(link->dst, AV_LOG_VERBOSE, "auto-inserting filter '%s' "
"between the filter '%s' and the filter '%s'\n",
filt->name, link->src->name, link->dst->name);
/* if any information on supported media formats already exists on the
* link, we need to preserve that */
if (link->out_formats)
- avfilter_formats_changeref(&link->out_formats,
+ ff_formats_changeref(&link->out_formats,
&filt->outputs[filt_dstpad_idx]->out_formats);
if (link->out_samplerates)
- avfilter_formats_changeref(&link->out_samplerates,
+ ff_formats_changeref(&link->out_samplerates,
&filt->outputs[filt_dstpad_idx]->out_samplerates);
if (link->out_channel_layouts)
ff_channel_layouts_changeref(&link->out_channel_layouts,
unsigned i;
int ret;
- for (i = 0; i < filter->input_count; i ++) {
+ for (i = 0; i < filter->nb_inputs; i ++) {
AVFilterLink *link = filter->inputs[i];
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->nb_inputs != 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) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Failed to configure output pad on %s\n",
+ link->src->name);
return ret;
+ }
if (link->time_base.num == 0 && link->time_base.den == 0)
- link->time_base = link->src && link->src->input_count ?
+ link->time_base = link->src && link->src->nb_inputs ?
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->type == AVMEDIA_TYPE_VIDEO) {
+ if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
+ link->sample_aspect_ratio = link->src->nb_inputs ?
+ link->src->inputs[0]->sample_aspect_ratio : (AVRational){1,1};
+
+ if (link->src->nb_inputs) {
+ if (!link->w)
+ link->w = link->src->inputs[0]->w;
+ if (!link->h)
+ link->h = link->src->inputs[0]->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);
+ }
+ }
if ((config_link = link->dstpad->config_props))
- if ((ret = config_link(link)) < 0)
+ if ((ret = config_link(link)) < 0) {
+ av_log(link->src, AV_LOG_ERROR,
+ "Failed to configure input pad on %s\n",
+ link->dst->name);
return ret;
+ }
link->init_state = AVLINK_INIT;
}
return 0;
}
-#ifdef DEBUG
-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;
-}
-#endif
-
void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
{
if (link->type == AVMEDIA_TYPE_VIDEO) {
av_dlog(ctx,
"link[%p s:%dx%d fmt:%-16s %-16s->%-16s]%s",
link, link->w, link->h,
- av_pix_fmt_descriptors[link->format].name,
+ av_get_pix_fmt_name(link->format),
link->src ? link->src->filter->name : "",
link->dst ? link->dst->filter->name : "",
end ? "\n" : "");
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[%p r:%d cl:%s fmt:%-16s %-16s->%-16s]%s",
link, link->sample_rate, buf,
av_get_sample_fmt_name(link->format),
link->src ? link->src->filter->name : "",
}
}
-int avfilter_request_frame(AVFilterLink *link)
+int ff_request_frame(AVFilterLink *link)
{
FF_DPRINTF_START(NULL, request_frame); ff_dlog_link(NULL, link, 1);
if (link->srcpad->request_frame)
return link->srcpad->request_frame(link);
else if (link->src->inputs[0])
- return avfilter_request_frame(link->src->inputs[0]);
+ return ff_request_frame(link->src->inputs[0]);
else return -1;
}
-int avfilter_poll_frame(AVFilterLink *link)
+int ff_poll_frame(AVFilterLink *link)
{
int i, min = INT_MAX;
if (link->srcpad->poll_frame)
return link->srcpad->poll_frame(link);
- for (i = 0; i < link->src->input_count; i++) {
+ for (i = 0; i < link->src->nb_inputs; i++) {
int val;
if (!link->src->inputs[i])
return -1;
- val = avfilter_poll_frame(link->src->inputs[i]);
+ val = ff_poll_frame(link->src->inputs[i]);
min = FFMIN(min, val);
}
{
int count;
+ if (!pads)
+ return 0;
+
for(count = 0; pads->name; count ++) pads ++;
return count;
}
}
static const AVClass avfilter_class = {
- "AVFilter",
- filter_name,
- NULL,
- LIBAVUTIL_VERSION_INT,
+ .class_name = "AVFilter",
+ .item_name = filter_name,
+ .version = LIBAVUTIL_VERSION_INT,
};
int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name)
goto err;
}
- ret->input_count = pad_count(filter->inputs);
- if (ret->input_count) {
- ret->input_pads = av_malloc(sizeof(AVFilterPad) * ret->input_count);
+ ret->nb_inputs = pad_count(filter->inputs);
+ if (ret->nb_inputs ) {
+ ret->input_pads = av_malloc(sizeof(AVFilterPad) * ret->nb_inputs);
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);
+ memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->nb_inputs);
+ ret->inputs = av_mallocz(sizeof(AVFilterLink*) * ret->nb_inputs);
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);
+ ret->nb_outputs = pad_count(filter->outputs);
+ if (ret->nb_outputs) {
+ ret->output_pads = av_malloc(sizeof(AVFilterPad) * ret->nb_outputs);
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);
+ memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->nb_outputs);
+ ret->outputs = av_mallocz(sizeof(AVFilterLink*) * ret->nb_outputs);
if (!ret->outputs)
goto err;
}
+#if FF_API_FOO_COUNT
+ ret->output_count = ret->nb_outputs;
+ ret->input_count = ret->nb_inputs;
+#endif
*filter_ctx = ret;
return 0;
err:
av_freep(&ret->inputs);
av_freep(&ret->input_pads);
- ret->input_count = 0;
+ ret->nb_inputs = 0;
av_freep(&ret->outputs);
av_freep(&ret->output_pads);
- ret->output_count = 0;
+ ret->nb_outputs = 0;
av_freep(&ret->priv);
av_free(ret);
return AVERROR(ENOMEM);
if (filter->filter->uninit)
filter->filter->uninit(filter);
- for (i = 0; i < filter->input_count; i++) {
+ for (i = 0; i < filter->nb_inputs; i++) {
if ((link = filter->inputs[i])) {
if (link->src)
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_formats_unref(&link->in_formats);
+ ff_formats_unref(&link->out_formats);
+ ff_formats_unref(&link->in_samplerates);
+ ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
av_freep(&link);
}
- for (i = 0; i < filter->output_count; i++) {
+ for (i = 0; i < filter->nb_outputs; i++) {
if ((link = filter->outputs[i])) {
if (link->dst)
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_formats_unref(&link->in_formats);
+ ff_formats_unref(&link->out_formats);
+ ff_formats_unref(&link->in_samplerates);
+ ff_formats_unref(&link->out_samplerates);
ff_channel_layouts_unref(&link->in_channel_layouts);
ff_channel_layouts_unref(&link->out_channel_layouts);
}
int ret=0;
if (filter->filter->init)
- ret = filter->filter->init(filter, args, opaque);
+ ret = filter->filter->init(filter, args);
return ret;
}
+
+const char *avfilter_pad_get_name(AVFilterPad *pads, int pad_idx)
+{
+ return pads[pad_idx].name;
+}
+
+enum AVMediaType avfilter_pad_get_type(AVFilterPad *pads, int pad_idx)
+{
+ return pads[pad_idx].type;
+}
+
+static int default_filter_frame(AVFilterLink *link, AVFrame *frame)
+{
+ return ff_filter_frame(link->dst->outputs[0], frame);
+}
+
+int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
+{
+ int (*filter_frame)(AVFilterLink *, AVFrame *);
+ AVFilterPad *dst = link->dstpad;
+ AVFrame *out;
+
+ FF_DPRINTF_START(NULL, filter_frame);
+ ff_dlog_link(NULL, link, 1);
+
+ if (!(filter_frame = dst->filter_frame))
+ filter_frame = default_filter_frame;
+
+ /* copy the frame if needed */
+ if (dst->needs_writable && !av_frame_is_writable(frame)) {
+ av_log(link->dst, AV_LOG_DEBUG, "Copying data in avfilter.\n");
+
+ switch (link->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ out = ff_get_video_buffer(link, link->w, link->h);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ out = ff_get_audio_buffer(link, frame->nb_samples);
+ break;
+ default: return AVERROR(EINVAL);
+ }
+ if (!out) {
+ av_frame_free(&frame);
+ return AVERROR(ENOMEM);
+ }
+ av_frame_copy_props(out, frame);
+
+ switch (link->type) {
+ case AVMEDIA_TYPE_VIDEO:
+ av_image_copy(out->data, out->linesize, frame->data, frame->linesize,
+ frame->format, frame->width, frame->height);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ av_samples_copy(out->extended_data, frame->extended_data,
+ 0, 0, frame->nb_samples,
+ av_get_channel_layout_nb_channels(frame->channel_layout),
+ frame->format);
+ break;
+ default: return AVERROR(EINVAL);
+ }
+
+ av_frame_free(&frame);
+ } else
+ out = frame;
+
+ return filter_frame(link, out);
+}
projects / ffmpeg / blobdiff