X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=avconv_filter.c;h=e53dcd271c32e6d91598fcd442c669517bf9b7e1;hb=07b5136c481d394992c7e951967df0cfbb346c0b;hp=0a47c9519195c28276e62a2591585eb8852f620f;hpb=a83c0da539fb07260310bc3b34056239d2b138b2;p=ffmpeg diff --git a/avconv_filter.c b/avconv_filter.c index 0a47c951919..e53dcd271c3 100644 --- a/avconv_filter.c +++ b/avconv_filter.c @@ -18,15 +18,19 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include + #include "avconv.h" #include "libavfilter/avfilter.h" +#include "libavfilter/buffersrc.h" #include "libavresample/avresample.h" #include "libavutil/avassert.h" #include "libavutil/avstring.h" #include "libavutil/channel_layout.h" +#include "libavutil/display.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "libavutil/pixfmt.h" @@ -34,13 +38,13 @@ /* 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->st->codec->var != none) { \ - get_name(ost->st->codec->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; \ @@ -49,7 +53,7 @@ static char *choose_ ## var ## s(OutputStream *ost) \ 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); \ } \ @@ -60,19 +64,19 @@ static char *choose_ ## var ## s(OutputStream *ost) \ 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)); @@ -85,6 +89,7 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost) exit(1); fg->outputs[0]->ost = ost; fg->outputs[0]->graph = fg; + fg->outputs[0]->format = -1; ost->filter = fg->outputs[0]; @@ -93,6 +98,11 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost) 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]; @@ -100,7 +110,7 @@ FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost) GROW_ARRAY(filtergraphs, nb_filtergraphs); filtergraphs[nb_filtergraphs - 1] = fg; - return fg; + return 0; } static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) @@ -130,7 +140,7 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) s = input_files[file_idx]->ctx; for (i = 0; i < s->nb_streams; i++) { - if (s->streams[i]->codec->codec_type != type) + if (s->streams[i]->codecpar->codec_type != type) continue; if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) { st = s->streams[i]; @@ -147,12 +157,12 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) /* find the first unused stream of corresponding type */ for (i = 0; i < nb_input_streams; i++) { ist = input_streams[i]; - if (ist->st->codec->codec_type == type && ist->discard) + if (ist->dec_ctx->codec_type == type && ist->discard) break; } if (i == nb_input_streams) { av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for " - "unlabeled input pad %d on filter %s", in->pad_idx, + "unlabeled input pad %d on filter %s\n", in->pad_idx, in->filter_ctx->name); exit(1); } @@ -168,22 +178,67 @@ 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]; } -static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pad_idx) +int init_complex_filtergraph(FilterGraph *fg) +{ + AVFilterInOut *inputs, *outputs, *cur; + AVFilterGraph *graph; + int ret = 0; + + /* this graph is only used for determining the kinds of inputs + * and outputs we have, and is discarded on exit from this function */ + graph = avfilter_graph_alloc(); + if (!graph) + return AVERROR(ENOMEM); + + ret = avfilter_graph_parse2(graph, fg->graph_desc, &inputs, &outputs); + if (ret < 0) + goto fail; + + for (cur = inputs; cur; cur = cur->next) + init_input_filter(fg, cur); + + for (cur = outputs; cur;) { + GROW_ARRAY(fg->outputs, fg->nb_outputs); + fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0])); + if (!fg->outputs[fg->nb_outputs - 1]) + exit(1); + + fg->outputs[fg->nb_outputs - 1]->graph = fg; + fg->outputs[fg->nb_outputs - 1]->out_tmp = cur; + fg->outputs[fg->nb_outputs - 1]->type = avfilter_pad_get_type(cur->filter_ctx->output_pads, + cur->pad_idx); + cur = cur->next; + fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL; + } + +fail: + avfilter_inout_free(&inputs); + avfilter_graph_free(&graph); + return ret; +} + +static int insert_trim(int64_t start_time, int64_t duration, + AVFilterContext **last_filter, int *pad_idx, + const char *filter_name) { - OutputFile *of = output_files[ost->file_index]; AVFilterGraph *graph = (*last_filter)->graph; AVFilterContext *ctx; const AVFilter *trim; - const char *name = ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? "trim" : "atrim"; - char filter_name[128]; + enum AVMediaType type = avfilter_pad_get_type((*last_filter)->output_pads, *pad_idx); + const char *name = (type == AVMEDIA_TYPE_VIDEO) ? "trim" : "atrim"; int ret = 0; - if (of->recording_time == INT64_MAX) + if (duration == INT64_MAX && start_time == AV_NOPTS_VALUE) return 0; trim = avfilter_get_by_name(name); @@ -193,14 +248,18 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa return AVERROR_FILTER_NOT_FOUND; } - snprintf(filter_name, sizeof(filter_name), "%s for output stream %d:%d", - name, ost->file_index, ost->index); ctx = avfilter_graph_alloc_filter(graph, trim, filter_name); if (!ctx) return AVERROR(ENOMEM); - ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6, - AV_OPT_SEARCH_CHILDREN); + if (duration != INT64_MAX) { + ret = av_opt_set_double(ctx, "duration", (double)duration / 1e6, + AV_OPT_SEARCH_CHILDREN); + } + if (ret >= 0 && start_time != AV_NOPTS_VALUE) { + ret = av_opt_set_double(ctx, "start", (double)start_time / 1e6, + AV_OPT_SEARCH_CHILDREN); + } if (ret < 0) { av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name); return ret; @@ -219,11 +278,33 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa return 0; } +static int insert_filter(AVFilterContext **last_filter, int *pad_idx, + const char *filter_name, const char *args) +{ + AVFilterGraph *graph = (*last_filter)->graph; + AVFilterContext *ctx; + int ret; + + ret = avfilter_graph_create_filter(&ctx, + avfilter_get_by_name(filter_name), + filter_name, args, NULL, graph); + if (ret < 0) + return ret; + + ret = avfilter_link(*last_filter, *pad_idx, ctx, 0); + if (ret < 0) + return ret; + + *last_filter = ctx; + *pad_idx = 0; + return 0; +} + static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) { char *pix_fmts; OutputStream *ost = ofilter->ost; - AVCodecContext *codec = ost->st->codec; + OutputFile *of = output_files[ost->file_index]; AVFilterContext *last_filter = out->filter_ctx; int pad_idx = out->pad_idx; int ret; @@ -236,13 +317,12 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, if (ret < 0) return ret; - if (codec->width || codec->height) { + if (ofilter->width || ofilter->height) { char args[255]; AVFilterContext *filter; - snprintf(args, sizeof(args), "%d:%d:flags=0x%X", - codec->width, - codec->height, + snprintf(args, sizeof(args), "%d:%d:0x%X", + ofilter->width, ofilter->height, (unsigned)ost->sws_flags); snprintf(name, sizeof(name), "scaler for output stream %d:%d", ost->file_index, ost->index); @@ -256,21 +336,21 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, 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 ((ret = avfilter_graph_create_filter(&filter, - avfilter_get_by_name("format"), - "format", pix_fmts, NULL, - fg->graph)) < 0) + ret = avfilter_graph_create_filter(&filter, + avfilter_get_by_name("format"), + "format", pix_fmts, NULL, fg->graph); + av_freep(&pix_fmts); + if (ret < 0) return ret; if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0) return ret; last_filter = filter; pad_idx = 0; - av_freep(&pix_fmts); } if (ost->frame_rate.num) { @@ -293,7 +373,10 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, pad_idx = 0; } - ret = insert_trim(ost, &last_filter, &pad_idx); + snprintf(name, sizeof(name), "trim for output stream %d:%d", + ost->file_index, ost->index); + ret = insert_trim(of->start_time, of->recording_time, + &last_filter, &pad_idx, name); if (ret < 0) return ret; @@ -307,7 +390,8 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) { OutputStream *ost = ofilter->ost; - AVCodecContext *codec = ost->st->codec; + OutputFile *of = output_files[ost->file_index]; + AVCodecContext *codec = ost->enc_ctx; AVFilterContext *last_filter = out->filter_ctx; int pad_idx = out->pad_idx; char *sample_fmts, *sample_rates, *channel_layouts; @@ -325,9 +409,9 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, 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]; @@ -364,7 +448,10 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, pad_idx = 0; } - ret = insert_trim(ost, &last_filter, &pad_idx); + snprintf(name, sizeof(name), "trim for output stream %d:%d", + ost->file_index, ost->index); + ret = insert_trim(of->start_time, of->recording_time, + &last_filter, &pad_idx, name); if (ret < 0) return ret; @@ -378,7 +465,7 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, { \ AVFilterContext *ctx = inout->filter_ctx; \ AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \ - int nb_pads = in ? ctx->input_count : ctx->output_count; \ + int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs; \ AVIOContext *pb; \ \ if (avio_open_dyn_buf(&pb) < 0) \ @@ -406,48 +493,75 @@ int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOu static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in) { - AVFilterContext *first_filter = in->filter_ctx; - AVFilter *filter = avfilter_get_by_name("buffer"); + AVFilterContext *last_filter; + const AVFilter *buffer_filt = avfilter_get_by_name("buffer"); InputStream *ist = ifilter->ist; + InputFile *f = input_files[ist->file_index]; AVRational tb = ist->framerate.num ? av_inv_q(ist->framerate) : ist->st->time_base; - AVRational sar; - char args[255], name[255]; - int pad_idx = in->pad_idx; - int ret; + AVBufferSrcParameters *par; + char name[255]; + int ret, pad_idx = 0; - sar = ist->st->sample_aspect_ratio.num ? - ist->st->sample_aspect_ratio : - ist->st->codec->sample_aspect_ratio; - snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, - ist->st->codec->height, ist->st->codec->pix_fmt, - tb.num, tb.den, sar.num, sar.den); snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index, ist->file_index, ist->st->index); - if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, name, - args, NULL, fg->graph)) < 0) - return ret; + ifilter->filter = avfilter_graph_alloc_filter(fg->graph, buffer_filt, name); + if (!ifilter->filter) + return AVERROR(ENOMEM); - if (ist->framerate.num) { - AVFilterContext *setpts; + par = av_buffersrc_parameters_alloc(); + if (!par) + return AVERROR(ENOMEM); - 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; + par->sample_aspect_ratio = ifilter->sample_aspect_ratio; + par->width = ifilter->width; + par->height = ifilter->height; + par->format = ifilter->format; + par->time_base = tb; + 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 (ret < 0) + return ret; - if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0) - return ret; + ret = avfilter_init_str(ifilter->filter, NULL); + if (ret < 0) + return ret; - first_filter = setpts; - pad_idx = 0; + last_filter = ifilter->filter; + + if (ist->autorotate) { + uint8_t* displaymatrix = av_stream_get_side_data(ist->st, + AV_PKT_DATA_DISPLAYMATRIX, NULL); + if (displaymatrix) { + double rot = av_display_rotation_get((int32_t*) displaymatrix); + if (rot < -135 || rot > 135) { + ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL); + if (ret < 0) + return ret; + ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL); + } else if (rot < -45) { + ret = insert_filter(&last_filter, &pad_idx, "transpose", "dir=clock"); + } else if (rot > 45) { + ret = insert_filter(&last_filter, &pad_idx, "transpose", "dir=cclock"); + } + if (ret < 0) + return ret; + } } - if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0) + 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) ? + AV_NOPTS_VALUE : 0, f->recording_time, &last_filter, &pad_idx, name); + if (ret < 0) + return ret; + + if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0) return ret; return 0; } @@ -455,26 +569,39 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter, static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in) { - AVFilterContext *first_filter = in->filter_ctx; - AVFilter *filter = avfilter_get_by_name("abuffer"); + AVFilterContext *last_filter; + const AVFilter *abuffer_filt = avfilter_get_by_name("abuffer"); InputStream *ist = ifilter->ist; - int pad_idx = in->pad_idx; + InputFile *f = input_files[ist->file_index]; + AVBufferSrcParameters *par; char args[255], name[255]; - int ret; + int ret, pad_idx = 0; - snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s" - ":channel_layout=0x%"PRIx64, - 1, ist->st->codec->sample_rate, - ist->st->codec->sample_rate, - av_get_sample_fmt_name(ist->st->codec->sample_fmt), - ist->st->codec->channel_layout); snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index, ist->file_index, ist->st->index); - if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, - name, args, NULL, - fg->graph)) < 0) + ifilter->filter = avfilter_graph_alloc_filter(fg->graph, abuffer_filt, name); + if (!ifilter->filter) + return AVERROR(ENOMEM); + + par = av_buffersrc_parameters_alloc(); + if (!par) + return AVERROR(ENOMEM); + + 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); + if (ret < 0) + return ret; + + ret = avfilter_init_str(ifilter->filter, NULL); + if (ret < 0) return ret; + last_filter = ifilter->filter; if (audio_sync_method > 0) { AVFilterContext *async; @@ -497,12 +624,11 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter, if (ret < 0) return ret; - ret = avfilter_link(async, 0, first_filter, pad_idx); + ret = avfilter_link(last_filter, 0, async, 0); if (ret < 0) return ret; - first_filter = async; - pad_idx = 0; + last_filter = async; } if (audio_volume != 256) { AVFilterContext *volume; @@ -520,14 +646,21 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter, if (ret < 0) return ret; - ret = avfilter_link(volume, 0, first_filter, pad_idx); + ret = avfilter_link(last_filter, 0, volume, 0); if (ret < 0) return ret; - first_filter = volume; - pad_idx = 0; + last_filter = volume; } - if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0) + + 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) ? + AV_NOPTS_VALUE : 0, f->recording_time, &last_filter, &pad_idx, name); + if (ret < 0) + return ret; + + if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0) return ret; return 0; @@ -549,7 +682,7 @@ static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter, int configure_filtergraph(FilterGraph *fg) { AVFilterInOut *inputs, *outputs, *cur; - int ret, i, init = !fg->graph, 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; @@ -576,44 +709,97 @@ int configure_filtergraph(FilterGraph *fg) } if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0) - return ret; + goto fail; + + if (hw_device_ctx) { + for (i = 0; i < fg->graph->nb_filters; i++) { + fg->graph->filters[i]->hw_device_ctx = av_buffer_ref(hw_device_ctx); + } + } if (simple && (!inputs || inputs->next || !outputs || outputs->next)) { av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have " "exactly one input and output.\n", graph_desc); - return AVERROR(EINVAL); + ret = AVERROR(EINVAL); + goto fail; } - for (cur = inputs; !simple && init && cur; cur = cur->next) - init_input_filter(fg, cur); - for (cur = inputs, i = 0; cur; cur = cur->next, i++) if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0) - return ret; + goto fail; avfilter_inout_free(&inputs); - if (!init || simple) { - /* we already know the mappings between lavfi outputs and output streams, - * so we can finish the setup */ - for (cur = outputs, i = 0; cur; cur = cur->next, i++) - configure_output_filter(fg, fg->outputs[i], cur); - avfilter_inout_free(&outputs); + for (cur = outputs, i = 0; cur; cur = cur->next, i++) { + OutputFilter *ofilter = fg->outputs[i]; + if (ofilter->ost) + configure_output_filter(fg, ofilter, cur); + } - if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) - return ret; - } else { - /* wait until output mappings are processed */ - for (cur = outputs; cur;) { - GROW_ARRAY(fg->outputs, fg->nb_outputs); - if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0])))) - exit(1); - fg->outputs[fg->nb_outputs - 1]->graph = fg; - fg->outputs[fg->nb_outputs - 1]->out_tmp = cur; - cur = cur->next; - fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL; + avfilter_inout_free(&outputs); + + if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) + goto fail; + + /* 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) + goto fail; + } + } + + /* 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) + goto fail; } } + return 0; +fail: + avfilter_graph_free(&fg->graph); + return ret; +} + +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; } @@ -626,3 +812,7 @@ int ist_in_filtergraph(FilterGraph *fg, InputStream *ist) return 0; } +int filtergraph_is_simple(FilterGraph *fg) +{ + return !fg->graph_desc; +}