mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-27 18:02:11 +00:00
fftools/ffmpeg_filter: move some functions higher up
Needed by the following commit.
This commit is contained in:
Anton Khirnov
parent
00183880aa
commit
a1061d4bdc
@ -246,240 +246,6 @@ static void choose_channel_layouts(OutputFilter *ofilter, AVBPrint *bprint)
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av_bprint_chars(bprint, ':', 1);
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}
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static OutputFilter *ofilter_alloc(FilterGraph *fg)
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{
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OutputFilter *ofilter;
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ofilter = ALLOC_ARRAY_ELEM(fg->outputs, fg->nb_outputs);
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ofilter->graph = fg;
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ofilter->format = -1;
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ofilter->last_pts = AV_NOPTS_VALUE;
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return ofilter;
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}
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static int ifilter_bind_ist(InputFilter *ifilter, InputStream *ist)
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{
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InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
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int ret;
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ret = ist_filter_add(ist, ifilter, filtergraph_is_simple(ifilter->graph));
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if (ret < 0)
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return ret;
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ifp->ist = ist;
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ifp->type_src = ist->st->codecpar->codec_type;
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ifp->type = ifp->type_src == AVMEDIA_TYPE_SUBTITLE ?
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AVMEDIA_TYPE_VIDEO : ifp->type_src;
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return 0;
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}
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static InputFilter *ifilter_alloc(FilterGraph *fg)
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{
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InputFilterPriv *ifp = allocate_array_elem(&fg->inputs, sizeof(*ifp),
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&fg->nb_inputs);
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InputFilter *ifilter = &ifp->ifilter;
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ifilter->graph = fg;
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ifp->frame = av_frame_alloc();
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if (!ifp->frame)
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report_and_exit(AVERROR(ENOMEM));
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ifp->format = -1;
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ifp->fallback.format = -1;
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ifp->frame_queue = av_fifo_alloc2(8, sizeof(AVFrame*), AV_FIFO_FLAG_AUTO_GROW);
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if (!ifp->frame_queue)
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report_and_exit(AVERROR(ENOMEM));
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return ifilter;
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}
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void fg_free(FilterGraph **pfg)
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{
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FilterGraph *fg = *pfg;
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FilterGraphPriv *fgp;
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if (!fg)
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return;
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fgp = fgp_from_fg(fg);
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avfilter_graph_free(&fg->graph);
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for (int j = 0; j < fg->nb_inputs; j++) {
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InputFilter *ifilter = fg->inputs[j];
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InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
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InputStream *ist = ifp->ist;
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if (ifp->frame_queue) {
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AVFrame *frame;
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while (av_fifo_read(ifp->frame_queue, &frame, 1) >= 0)
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av_frame_free(&frame);
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av_fifo_freep2(&ifp->frame_queue);
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}
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if (ist->sub2video.sub_queue) {
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AVSubtitle sub;
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while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
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avsubtitle_free(&sub);
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av_fifo_freep2(&ist->sub2video.sub_queue);
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}
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av_channel_layout_uninit(&ifp->fallback.ch_layout);
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av_frame_free(&ifp->frame);
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av_buffer_unref(&ifp->hw_frames_ctx);
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av_freep(&ifilter->name);
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av_freep(&fg->inputs[j]);
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}
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av_freep(&fg->inputs);
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for (int j = 0; j < fg->nb_outputs; j++) {
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OutputFilter *ofilter = fg->outputs[j];
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av_freep(&ofilter->linklabel);
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av_freep(&ofilter->name);
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av_channel_layout_uninit(&ofilter->ch_layout);
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av_freep(&fg->outputs[j]);
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}
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av_freep(&fg->outputs);
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av_freep(&fgp->graph_desc);
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av_frame_free(&fgp->frame);
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av_freep(pfg);
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}
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FilterGraph *fg_create(char *graph_desc)
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{
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FilterGraphPriv *fgp = allocate_array_elem(&filtergraphs, sizeof(*fgp), &nb_filtergraphs);
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FilterGraph *fg = &fgp->fg;
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fg->index = nb_filtergraphs - 1;
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fgp->graph_desc = graph_desc;
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fgp->frame = av_frame_alloc();
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if (!fgp->frame)
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report_and_exit(AVERROR(ENOMEM));
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return fg;
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}
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int init_simple_filtergraph(InputStream *ist, OutputStream *ost,
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char *graph_desc)
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{
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FilterGraph *fg;
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FilterGraphPriv *fgp;
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OutputFilter *ofilter;
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InputFilter *ifilter;
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int ret;
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fg = fg_create(graph_desc);
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if (!fg)
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report_and_exit(AVERROR(ENOMEM));
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fgp = fgp_from_fg(fg);
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fgp->is_simple = 1;
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ofilter = ofilter_alloc(fg);
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ofilter->ost = ost;
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ost->filter = ofilter;
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ifilter = ifilter_alloc(fg);
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ret = ifilter_bind_ist(ifilter, ist);
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if (ret < 0)
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return ret;
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return 0;
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}
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static char *describe_filter_link(FilterGraph *fg, AVFilterInOut *inout, int in)
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{
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AVFilterContext *ctx = inout->filter_ctx;
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AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads;
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int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs;
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char *res;
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if (nb_pads > 1)
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res = av_strdup(ctx->filter->name);
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else
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res = av_asprintf("%s:%s", ctx->filter->name,
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avfilter_pad_get_name(pads, inout->pad_idx));
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if (!res)
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report_and_exit(AVERROR(ENOMEM));
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return res;
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}
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static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
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{
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FilterGraphPriv *fgp = fgp_from_fg(fg);
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InputStream *ist = NULL;
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enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
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InputFilter *ifilter;
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int i, ret;
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// TODO: support other filter types
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if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
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av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
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"currently.\n");
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exit_program(1);
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}
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if (in->name) {
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AVFormatContext *s;
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AVStream *st = NULL;
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char *p;
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int file_idx = strtol(in->name, &p, 0);
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if (file_idx < 0 || file_idx >= nb_input_files) {
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av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
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file_idx, fgp->graph_desc);
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exit_program(1);
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}
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s = input_files[file_idx]->ctx;
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for (i = 0; i < s->nb_streams; i++) {
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enum AVMediaType stream_type = s->streams[i]->codecpar->codec_type;
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if (stream_type != type &&
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!(stream_type == AVMEDIA_TYPE_SUBTITLE &&
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type == AVMEDIA_TYPE_VIDEO /* sub2video hack */))
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continue;
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if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
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st = s->streams[i];
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break;
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}
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}
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if (!st) {
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av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
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"matches no streams.\n", p, fgp->graph_desc);
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exit_program(1);
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}
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ist = input_files[file_idx]->streams[st->index];
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} else {
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ist = ist_find_unused(type);
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if (!ist) {
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av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
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"unlabeled input pad %d on filter %s\n", in->pad_idx,
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in->filter_ctx->name);
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exit_program(1);
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}
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}
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av_assert0(ist);
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ifilter = ifilter_alloc(fg);
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ifilter->name = describe_filter_link(fg, in, 1);
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ret = ifilter_bind_ist(ifilter, ist);
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if (ret < 0) {
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av_log(NULL, AV_LOG_ERROR,
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"Error binding an input stream to complex filtergraph input %s.\n",
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in->name ? in->name : "");
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exit_program(1);
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}
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}
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static int read_binary(const char *path, uint8_t **data, int *len)
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{
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AVIOContext *io = NULL;
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@ -650,6 +416,240 @@ fail:
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return ret;
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}
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static char *describe_filter_link(FilterGraph *fg, AVFilterInOut *inout, int in)
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{
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AVFilterContext *ctx = inout->filter_ctx;
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AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads;
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int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs;
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char *res;
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if (nb_pads > 1)
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res = av_strdup(ctx->filter->name);
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else
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res = av_asprintf("%s:%s", ctx->filter->name,
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avfilter_pad_get_name(pads, inout->pad_idx));
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if (!res)
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report_and_exit(AVERROR(ENOMEM));
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return res;
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}
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static OutputFilter *ofilter_alloc(FilterGraph *fg)
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{
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OutputFilter *ofilter;
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ofilter = ALLOC_ARRAY_ELEM(fg->outputs, fg->nb_outputs);
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ofilter->graph = fg;
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ofilter->format = -1;
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ofilter->last_pts = AV_NOPTS_VALUE;
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return ofilter;
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}
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static int ifilter_bind_ist(InputFilter *ifilter, InputStream *ist)
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{
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InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
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int ret;
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ret = ist_filter_add(ist, ifilter, filtergraph_is_simple(ifilter->graph));
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if (ret < 0)
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return ret;
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ifp->ist = ist;
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ifp->type_src = ist->st->codecpar->codec_type;
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ifp->type = ifp->type_src == AVMEDIA_TYPE_SUBTITLE ?
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AVMEDIA_TYPE_VIDEO : ifp->type_src;
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return 0;
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}
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static InputFilter *ifilter_alloc(FilterGraph *fg)
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{
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InputFilterPriv *ifp = allocate_array_elem(&fg->inputs, sizeof(*ifp),
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&fg->nb_inputs);
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InputFilter *ifilter = &ifp->ifilter;
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ifilter->graph = fg;
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ifp->frame = av_frame_alloc();
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if (!ifp->frame)
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report_and_exit(AVERROR(ENOMEM));
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ifp->format = -1;
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ifp->fallback.format = -1;
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ifp->frame_queue = av_fifo_alloc2(8, sizeof(AVFrame*), AV_FIFO_FLAG_AUTO_GROW);
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if (!ifp->frame_queue)
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report_and_exit(AVERROR(ENOMEM));
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return ifilter;
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}
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void fg_free(FilterGraph **pfg)
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{
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FilterGraph *fg = *pfg;
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FilterGraphPriv *fgp;
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if (!fg)
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return;
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fgp = fgp_from_fg(fg);
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avfilter_graph_free(&fg->graph);
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for (int j = 0; j < fg->nb_inputs; j++) {
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InputFilter *ifilter = fg->inputs[j];
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InputFilterPriv *ifp = ifp_from_ifilter(ifilter);
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InputStream *ist = ifp->ist;
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if (ifp->frame_queue) {
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AVFrame *frame;
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while (av_fifo_read(ifp->frame_queue, &frame, 1) >= 0)
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av_frame_free(&frame);
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av_fifo_freep2(&ifp->frame_queue);
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}
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if (ist->sub2video.sub_queue) {
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AVSubtitle sub;
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while (av_fifo_read(ist->sub2video.sub_queue, &sub, 1) >= 0)
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avsubtitle_free(&sub);
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av_fifo_freep2(&ist->sub2video.sub_queue);
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}
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av_channel_layout_uninit(&ifp->fallback.ch_layout);
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av_frame_free(&ifp->frame);
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av_buffer_unref(&ifp->hw_frames_ctx);
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av_freep(&ifilter->name);
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av_freep(&fg->inputs[j]);
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}
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av_freep(&fg->inputs);
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for (int j = 0; j < fg->nb_outputs; j++) {
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OutputFilter *ofilter = fg->outputs[j];
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av_freep(&ofilter->linklabel);
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av_freep(&ofilter->name);
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av_channel_layout_uninit(&ofilter->ch_layout);
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av_freep(&fg->outputs[j]);
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}
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av_freep(&fg->outputs);
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av_freep(&fgp->graph_desc);
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av_frame_free(&fgp->frame);
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av_freep(pfg);
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}
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FilterGraph *fg_create(char *graph_desc)
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{
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FilterGraphPriv *fgp = allocate_array_elem(&filtergraphs, sizeof(*fgp), &nb_filtergraphs);
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FilterGraph *fg = &fgp->fg;
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fg->index = nb_filtergraphs - 1;
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fgp->graph_desc = graph_desc;
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fgp->frame = av_frame_alloc();
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if (!fgp->frame)
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report_and_exit(AVERROR(ENOMEM));
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return fg;
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}
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int init_simple_filtergraph(InputStream *ist, OutputStream *ost,
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char *graph_desc)
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{
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FilterGraph *fg;
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FilterGraphPriv *fgp;
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OutputFilter *ofilter;
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InputFilter *ifilter;
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int ret;
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fg = fg_create(graph_desc);
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if (!fg)
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report_and_exit(AVERROR(ENOMEM));
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fgp = fgp_from_fg(fg);
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fgp->is_simple = 1;
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ofilter = ofilter_alloc(fg);
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ofilter->ost = ost;
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ost->filter = ofilter;
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ifilter = ifilter_alloc(fg);
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ret = ifilter_bind_ist(ifilter, ist);
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if (ret < 0)
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return ret;
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return 0;
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}
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static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
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{
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FilterGraphPriv *fgp = fgp_from_fg(fg);
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InputStream *ist = NULL;
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enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
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InputFilter *ifilter;
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int i, ret;
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// TODO: support other filter types
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if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
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av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
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"currently.\n");
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exit_program(1);
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}
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if (in->name) {
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AVFormatContext *s;
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AVStream *st = NULL;
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char *p;
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int file_idx = strtol(in->name, &p, 0);
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if (file_idx < 0 || file_idx >= nb_input_files) {
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av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
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file_idx, fgp->graph_desc);
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exit_program(1);
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}
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s = input_files[file_idx]->ctx;
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for (i = 0; i < s->nb_streams; i++) {
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enum AVMediaType stream_type = s->streams[i]->codecpar->codec_type;
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if (stream_type != type &&
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!(stream_type == AVMEDIA_TYPE_SUBTITLE &&
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type == AVMEDIA_TYPE_VIDEO /* sub2video hack */))
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continue;
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if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
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st = s->streams[i];
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break;
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}
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}
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if (!st) {
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av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
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"matches no streams.\n", p, fgp->graph_desc);
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exit_program(1);
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}
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ist = input_files[file_idx]->streams[st->index];
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} else {
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ist = ist_find_unused(type);
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if (!ist) {
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av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
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"unlabeled input pad %d on filter %s\n", in->pad_idx,
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in->filter_ctx->name);
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exit_program(1);
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}
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}
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av_assert0(ist);
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ifilter = ifilter_alloc(fg);
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ifilter->name = describe_filter_link(fg, in, 1);
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ret = ifilter_bind_ist(ifilter, ist);
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if (ret < 0) {
|
||||
av_log(NULL, AV_LOG_ERROR,
|
||||
"Error binding an input stream to complex filtergraph input %s.\n",
|
||||
in->name ? in->name : "");
|
||||
exit_program(1);
|
||||
}
|
||||
}
|
||||
|
||||
int init_complex_filtergraph(FilterGraph *fg)
|
||||
{
|
||||
FilterGraphPriv *fgp = fgp_from_fg(fg);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user