X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=ffmpeg_filter.c;h=4d9a4e2eb814ff9a1d7f690a921117b153bd406b;hb=cb884f8d7e3b55cddf8a4568bddb1e5f5f86b811;hp=f13f52304514b5bec0da0525b83a78d31fde18aa;hpb=f47540523741fdc98f2467e522dc6dac0ade4a0b;p=ffmpeg diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c index f13f5230451..4d9a4e2eb81 100644 --- a/ffmpeg_filter.c +++ b/ffmpeg_filter.c @@ -217,6 +217,10 @@ int init_simple_filtergraph(InputStream *ist, OutputStream *ost) 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]->frame_queue) + exit_program(1); + GROW_ARRAY(ist->filters, ist->nb_filters); ist->filters[ist->nb_filters - 1] = fg->inputs[0]; @@ -226,6 +230,25 @@ int init_simple_filtergraph(InputStream *ist, OutputStream *ost) return 0; } +static char *describe_filter_link(FilterGraph *fg, AVFilterInOut *inout, int in) +{ + AVFilterContext *ctx = inout->filter_ctx; + AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; + int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs; + AVIOContext *pb; + uint8_t *res = NULL; + + if (avio_open_dyn_buf(&pb) < 0) + exit_program(1); + + avio_printf(pb, "%s", ctx->filter->name); + if (nb_pads > 1) + avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx)); + avio_w8(pb, 0); + avio_close_dyn_buf(pb, &res); + return res; +} + static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) { InputStream *ist = NULL; @@ -295,6 +318,12 @@ static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) 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]->type = ist->st->codecpar->codec_type; + fg->inputs[fg->nb_inputs - 1]->name = describe_filter_link(fg, in, 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]; @@ -329,6 +358,7 @@ int init_complex_filtergraph(FilterGraph *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); + fg->outputs[fg->nb_outputs - 1]->name = describe_filter_link(fg, cur, 0); cur = cur->next; fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL; } @@ -634,28 +664,8 @@ static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, return 0; } -#define DESCRIBE_FILTER_LINK(f, inout, in) \ -{ \ - AVFilterContext *ctx = inout->filter_ctx; \ - AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \ - int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs; \ - AVIOContext *pb; \ - \ - if (avio_open_dyn_buf(&pb) < 0) \ - exit_program(1); \ - \ - avio_printf(pb, "%s", ctx->filter->name); \ - if (nb_pads > 1) \ - avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\ - avio_w8(pb, 0); \ - avio_close_dyn_buf(pb, &f->name); \ -} - int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) { - av_freep(&ofilter->name); - DESCRIBE_FILTER_LINK(ofilter, out, 0); - if (!ofilter->ost) { av_log(NULL, AV_LOG_FATAL, "Filter %s has an unconnected output\n", ofilter->name); exit_program(1); @@ -691,12 +701,15 @@ static int sub2video_prepare(InputStream *ist, InputFilter *ifilter) } av_log(avf, AV_LOG_INFO, "sub2video: using %dx%d canvas\n", w, h); } - ist->sub2video.w = ist->resample_width = ifilter->width = w; - ist->sub2video.h = ist->resample_height = ifilter->height = h; + ist->sub2video.w = ifilter->width = w; + ist->sub2video.h = ifilter->height = h; + + ifilter->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w; + ifilter->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h; /* rectangles are AV_PIX_FMT_PAL8, but we have no guarantee that the palettes for all rectangles are identical or compatible */ - ist->resample_pix_fmt = ifilter->format = AV_PIX_FMT_RGB32; + ifilter->format = AV_PIX_FMT_RGB32; ist->sub2video.frame = av_frame_alloc(); if (!ist->sub2video.frame) @@ -958,9 +971,6 @@ static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter, static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter, AVFilterInOut *in) { - av_freep(&ifilter->name); - DESCRIBE_FILTER_LINK(ifilter, in, 1); - if (!ifilter->ist->dec) { av_log(NULL, AV_LOG_ERROR, "No decoder for stream #%d:%d, filtering impossible\n", @@ -1107,6 +1117,17 @@ int configure_filtergraph(FilterGraph *fg) ost->enc_ctx->frame_size); } + 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; + } + } + return 0; } @@ -1133,36 +1154,6 @@ int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame) return 0; } -int ifilter_parameters_from_decoder(InputFilter *ifilter, const AVCodecContext *avctx) -{ - av_buffer_unref(&ifilter->hw_frames_ctx); - - if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) - ifilter->format = avctx->pix_fmt; - else - ifilter->format = avctx->sample_fmt; - - ifilter->width = avctx->width; - ifilter->height = avctx->height; - if (ifilter->ist && ifilter->ist->st && ifilter->ist->st->sample_aspect_ratio.num) - ifilter->sample_aspect_ratio = ifilter->ist->st->sample_aspect_ratio; - else - ifilter->sample_aspect_ratio = avctx->sample_aspect_ratio; - - ifilter->sample_rate = avctx->sample_rate; - ifilter->channels = avctx->channels; - ifilter->channel_layout = avctx->channel_layout; - - if (ifilter->ist && ifilter->ist->hw_frames_ctx) { - ifilter->format = ifilter->ist->resample_pix_fmt; - ifilter->hw_frames_ctx = av_buffer_ref(ifilter->ist->hw_frames_ctx); - if (!ifilter->hw_frames_ctx) - return AVERROR(ENOMEM); - } - - return 0; -} - int ist_in_filtergraph(FilterGraph *fg, InputStream *ist) { int i;