#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"
/* 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)
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];
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];
}
+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)
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;
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 (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];
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];
+ AVBufferSrcParameters *par;
+ char name[255];
int ret, pad_idx = 0;
- sar = ist->st->sample_aspect_ratio.num ?
- ist->st->sample_aspect_ratio :
- ist->dec_ctx->sample_aspect_ratio;
- snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->dec_ctx->width,
- ist->dec_ctx->height,
- ist->hwaccel_retrieve_data ? ist->hwaccel_retrieved_pix_fmt : ist->dec_ctx->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, buffer_filt, name,
- args, NULL, fg->graph)) < 0)
- return ret;
- last_filter = ifilter->filter;
+ 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(last_filter, 0, setpts, 0)) < 0)
- return ret;
+ ret = avfilter_init_str(ifilter->filter, NULL);
+ if (ret < 0)
+ return ret;
+
+ last_filter = ifilter->filter;
- last_filter = setpts;
+ 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;
+ }
}
snprintf(name, sizeof(name), "trim for input stream %d:%d",
const AVFilter *abuffer_filt = avfilter_get_by_name("abuffer");
InputStream *ist = ifilter->ist;
InputFile *f = input_files[ist->file_index];
+ AVBufferSrcParameters *par;
char args[255], name[255];
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->dec_ctx->sample_rate,
- ist->dec_ctx->sample_rate,
- av_get_sample_fmt_name(ist->dec_ctx->sample_fmt),
- ist->dec_ctx->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, abuffer_filt,
- 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;
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;
}
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;
}
return 0;
}
+int filtergraph_is_simple(FilterGraph *fg)
+{
+ return !fg->graph_desc;
+}
projects / ffmpeg / blobdiff