/* Define a function for building a string containing a list of
* allowed formats. */
-#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name) \
-static char *choose_ ## var ## s(OutputStream *ost) \
+#define DEF_CHOOSE_FORMAT(suffix, type, var, supported_list, none, get_name) \
+static char *choose_ ## suffix (OutputFilter *ofilter) \
{ \
- if (ost->enc_ctx->var != none) { \
- get_name(ost->enc_ctx->var); \
+ if (ofilter->var != none) { \
+ get_name(ofilter->var); \
return av_strdup(name); \
- } else if (ost->enc && ost->enc->supported_list) { \
+ } else if (ofilter->supported_list) { \
const type *p; \
AVIOContext *s = NULL; \
uint8_t *ret; \
if (avio_open_dyn_buf(&s) < 0) \
exit(1); \
\
- for (p = ost->enc->supported_list; *p != none; p++) { \
+ for (p = ofilter->supported_list; *p != none; p++) { \
get_name(*p); \
avio_printf(s, "%s|", name); \
} \
return NULL; \
}
-DEF_CHOOSE_FORMAT(enum AVPixelFormat, pix_fmt, pix_fmts, AV_PIX_FMT_NONE,
+DEF_CHOOSE_FORMAT(pix_fmts, enum AVPixelFormat, format, formats, AV_PIX_FMT_NONE,
GET_PIX_FMT_NAME)
-DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
+DEF_CHOOSE_FORMAT(sample_fmts, enum AVSampleFormat, format, formats,
AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME)
-DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
+DEF_CHOOSE_FORMAT(sample_rates, int, sample_rate, sample_rates, 0,
GET_SAMPLE_RATE_NAME)
-DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
+DEF_CHOOSE_FORMAT(channel_layouts, uint64_t, channel_layout, channel_layouts, 0,
GET_CH_LAYOUT_NAME)
-FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
+int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
{
FilterGraph *fg = av_mallocz(sizeof(*fg));
exit(1);
fg->outputs[0]->ost = ost;
fg->outputs[0]->graph = fg;
+ fg->outputs[0]->format = -1;
ost->filter = fg->outputs[0];
exit(1);
fg->inputs[0]->ist = ist;
fg->inputs[0]->graph = fg;
+ fg->inputs[0]->format = -1;
+
+ fg->inputs[0]->frame_queue = av_fifo_alloc(8 * sizeof(AVFrame*));
+ if (!fg->inputs[0])
+ exit_program(1);
GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = fg->inputs[0];
GROW_ARRAY(filtergraphs, nb_filtergraphs);
filtergraphs[nb_filtergraphs - 1] = fg;
- return fg;
+ return 0;
}
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
exit(1);
fg->inputs[fg->nb_inputs - 1]->ist = ist;
fg->inputs[fg->nb_inputs - 1]->graph = fg;
+ fg->inputs[fg->nb_inputs - 1]->format = -1;
+
+ fg->inputs[fg->nb_inputs - 1]->frame_queue = av_fifo_alloc(8 * sizeof(AVFrame*));
+ if (!fg->inputs[fg->nb_inputs - 1]->frame_queue)
+ exit_program(1);
GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
char *pix_fmts;
OutputStream *ost = ofilter->ost;
OutputFile *of = output_files[ost->file_index];
- AVCodecContext *codec = ost->enc_ctx;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
int ret;
if (ret < 0)
return ret;
- if (!hw_device_ctx && (codec->width || codec->height)) {
+ if (ofilter->width || ofilter->height) {
char args[255];
AVFilterContext *filter;
snprintf(args, sizeof(args), "%d:%d:0x%X",
- codec->width,
- codec->height,
+ ofilter->width, ofilter->height,
(unsigned)ost->sws_flags);
snprintf(name, sizeof(name), "scaler for output stream %d:%d",
ost->file_index, ost->index);
pad_idx = 0;
}
- if ((pix_fmts = choose_pix_fmts(ost))) {
+ if ((pix_fmts = choose_pix_fmts(ofilter))) {
AVFilterContext *filter;
snprintf(name, sizeof(name), "pixel format for output stream %d:%d",
ost->file_index, ost->index);
if (codec->channels && !codec->channel_layout)
codec->channel_layout = av_get_default_channel_layout(codec->channels);
- sample_fmts = choose_sample_fmts(ost);
- sample_rates = choose_sample_rates(ost);
- channel_layouts = choose_channel_layouts(ost);
+ sample_fmts = choose_sample_fmts(ofilter);
+ sample_rates = choose_sample_rates(ofilter);
+ channel_layouts = choose_channel_layouts(ofilter);
if (sample_fmts || sample_rates || channel_layouts) {
AVFilterContext *format;
char args[256];
if (!par)
return AVERROR(ENOMEM);
- par->sample_aspect_ratio = ist->st->sample_aspect_ratio.num ?
- ist->st->sample_aspect_ratio :
- ist->dec_ctx->sample_aspect_ratio;
- par->width = ist->dec_ctx->width;
- par->height = ist->dec_ctx->height;
- par->format = ist->hwaccel_retrieve_data ?
- ist->hwaccel_retrieved_pix_fmt : ist->dec_ctx->pix_fmt;
+ par->sample_aspect_ratio = ifilter->sample_aspect_ratio;
+ par->width = ifilter->width;
+ par->height = ifilter->height;
+ par->format = ifilter->format;
par->time_base = tb;
- par->hw_frames_ctx = ist->hw_frames_ctx;
+ if (ist->framerate.num)
+ par->frame_rate = ist->framerate;
+ par->hw_frames_ctx = ifilter->hw_frames_ctx;
ret = av_buffersrc_parameters_set(ifilter->filter, par);
av_freep(&par);
}
}
- if (ist->framerate.num) {
- AVFilterContext *setpts;
-
- snprintf(name, sizeof(name), "force CFR for input from stream %d:%d",
- ist->file_index, ist->st->index);
- if ((ret = avfilter_graph_create_filter(&setpts,
- avfilter_get_by_name("setpts"),
- name, "N", NULL,
- fg->graph)) < 0)
- return ret;
-
- if ((ret = avfilter_link(last_filter, 0, setpts, 0)) < 0)
- return ret;
-
- last_filter = setpts;
- }
-
snprintf(name, sizeof(name), "trim for input stream %d:%d",
ist->file_index, ist->st->index);
ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
if (!par)
return AVERROR(ENOMEM);
- par->time_base = (AVRational){ 1, ist->dec_ctx->sample_rate };
- par->sample_rate = ist->dec_ctx->sample_rate;
- par->format = ist->dec_ctx->sample_fmt;
- par->channel_layout = ist->dec_ctx->channel_layout;
+ par->time_base = (AVRational){ 1, ifilter->sample_rate };
+ par->sample_rate = ifilter->sample_rate;
+ par->format = ifilter->format;
+ par->channel_layout = ifilter->channel_layout;
ret = av_buffersrc_parameters_set(ifilter->filter, par);
av_freep(&par);
int configure_filtergraph(FilterGraph *fg)
{
AVFilterInOut *inputs, *outputs, *cur;
- int ret, i, simple = !fg->graph_desc;
+ int ret, i, simple = filtergraph_is_simple(fg);
const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
fg->graph_desc;
if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
return ret;
+ /* limit the lists of allowed formats to the ones selected, to
+ * make sure they stay the same if the filtergraph is reconfigured later */
+ for (i = 0; i < fg->nb_outputs; i++) {
+ OutputFilter *ofilter = fg->outputs[i];
+ AVFilterLink *link = ofilter->filter->inputs[0];
+
+ ofilter->format = link->format;
+
+ ofilter->width = link->w;
+ ofilter->height = link->h;
+
+ ofilter->sample_rate = link->sample_rate;
+ ofilter->channel_layout = link->channel_layout;
+ }
+
+ for (i = 0; i < fg->nb_inputs; i++) {
+ while (av_fifo_size(fg->inputs[i]->frame_queue)) {
+ AVFrame *tmp;
+ av_fifo_generic_read(fg->inputs[i]->frame_queue, &tmp, sizeof(tmp), NULL);
+ ret = av_buffersrc_add_frame(fg->inputs[i]->filter, tmp);
+ av_frame_free(&tmp);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ /* send the EOFs for the finished inputs */
+ for (i = 0; i < fg->nb_inputs; i++) {
+ if (fg->inputs[i]->eof) {
+ ret = av_buffersrc_add_frame(fg->inputs[i]->filter, NULL);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
+{
+ av_buffer_unref(&ifilter->hw_frames_ctx);
+
+ ifilter->format = frame->format;
+
+ ifilter->width = frame->width;
+ ifilter->height = frame->height;
+ ifilter->sample_aspect_ratio = frame->sample_aspect_ratio;
+
+ ifilter->sample_rate = frame->sample_rate;
+ ifilter->channel_layout = frame->channel_layout;
+
+ if (frame->hw_frames_ctx) {
+ ifilter->hw_frames_ctx = av_buffer_ref(frame->hw_frames_ctx);
+ if (!ifilter->hw_frames_ctx)
+ return AVERROR(ENOMEM);
+ }
+
return 0;
}
return 0;
}
+int filtergraph_is_simple(FilterGraph *fg)
+{
+ return !fg->graph_desc;
+}
projects / ffmpeg / blobdiff