* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <stdint.h>
+
#include "avconv.h"
#include "libavfilter/avfilter.h"
-#include "libavfilter/avfiltergraph.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"
#include "libavutil/samplefmt.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, separator)\
+#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name) \
static char *choose_ ## var ## s(OutputStream *ost) \
{ \
- if (ost->st->codec->var != none) { \
- get_name(ost->st->codec->var); \
+ if (ost->enc_ctx->var != none) { \
+ get_name(ost->enc_ctx->var); \
return av_strdup(name); \
- } else if (ost->enc->supported_list) { \
+ } else if (ost->enc && ost->enc->supported_list) { \
const type *p; \
AVIOContext *s = NULL; \
uint8_t *ret; \
\
for (p = ost->enc->supported_list; *p != none; p++) { \
get_name(*p); \
- avio_printf(s, "%s" separator, name); \
+ avio_printf(s, "%s|", name); \
} \
len = avio_close_dyn_buf(s, &ret); \
ret[len - 1] = 0; \
}
DEF_CHOOSE_FORMAT(enum AVPixelFormat, pix_fmt, pix_fmts, AV_PIX_FMT_NONE,
- GET_PIX_FMT_NAME, ":")
+ GET_PIX_FMT_NAME)
DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
- AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME)
DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
- GET_SAMPLE_RATE_NAME, ",")
+ GET_SAMPLE_RATE_NAME)
DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
- GET_CH_LAYOUT_NAME, ",")
+ GET_CH_LAYOUT_NAME)
FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
{
exit(1);
fg->index = nb_filtergraphs;
- fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
- fg->nb_outputs + 1);
+ GROW_ARRAY(fg->outputs, fg->nb_outputs);
if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
exit(1);
fg->outputs[0]->ost = ost;
ost->filter = fg->outputs[0];
- fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
- fg->nb_inputs + 1);
+ GROW_ARRAY(fg->inputs, fg->nb_inputs);
if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
exit(1);
fg->inputs[0]->ist = ist;
fg->inputs[0]->graph = fg;
- ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
- &ist->nb_filters, ist->nb_filters + 1);
+ GROW_ARRAY(ist->filters, ist->nb_filters);
ist->filters[ist->nb_filters - 1] = fg->inputs[0];
- filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
- &nb_filtergraphs, nb_filtergraphs + 1);
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
filtergraphs[nb_filtergraphs - 1] = fg;
return fg;
/* 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);
}
ist->decoding_needed = 1;
ist->st->discard = AVDISCARD_NONE;
- fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
- &fg->nb_inputs, fg->nb_inputs + 1);
+ GROW_ARRAY(fg->inputs, fg->nb_inputs);
if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
exit(1);
fg->inputs[fg->nb_inputs - 1]->ist = ist;
fg->inputs[fg->nb_inputs - 1]->graph = fg;
- ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
- &ist->nb_filters, ist->nb_filters + 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)
+{
+ AVFilterGraph *graph = (*last_filter)->graph;
+ AVFilterContext *ctx;
+ const AVFilter *trim;
+ 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 (duration == INT64_MAX && start_time == AV_NOPTS_VALUE)
+ return 0;
+
+ trim = avfilter_get_by_name(name);
+ if (!trim) {
+ av_log(NULL, AV_LOG_ERROR, "%s filter not present, cannot limit "
+ "recording time.\n", name);
+ return AVERROR_FILTER_NOT_FOUND;
+ }
+
+ ctx = avfilter_graph_alloc_filter(graph, trim, filter_name);
+ if (!ctx)
+ return AVERROR(ENOMEM);
+
+ 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;
+ }
+
+ ret = avfilter_init_str(ctx, NULL);
+ 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 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];
+ AVCodecContext *codec = ost->enc_ctx;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
int ret;
char args[255];
AVFilterContext *filter;
- snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
+ snprintf(args, sizeof(args), "%d:%d:0x%X",
codec->width,
codec->height,
(unsigned)ost->sws_flags);
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) {
pad_idx = 0;
}
+ 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;
+
+
if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
return ret;
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;
pad_idx = 0;
}
+ 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;
+
if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
return ret;
{ \
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) \
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;
+ 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,
+ 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, filter, name,
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, buffer_filt, name,
args, NULL, fg->graph)) < 0)
return ret;
+ 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 (ist->framerate.num) {
AVFilterContext *setpts;
fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
+ if ((ret = avfilter_link(last_filter, 0, setpts, 0)) < 0)
return ret;
- first_filter = setpts;
- pad_idx = 0;
+ last_filter = setpts;
}
- 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;
}
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];
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);
+ 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, filter,
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, abuffer_filt,
name, args, NULL,
fg->graph)) < 0)
return ret;
+ last_filter = ifilter->filter;
if (audio_sync_method > 0) {
AVFilterContext *async;
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;
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;
int configure_filtergraph(FilterGraph *fg)
{
AVFilterInOut *inputs, *outputs, *cur;
- int ret, i, init = !fg->graph, simple = !fg->graph_desc;
+ int ret, i, simple = !fg->graph_desc;
const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
fg->graph_desc;
if (simple) {
OutputStream *ost = fg->outputs[0]->ost;
- char args[255];
+ char args[512];
+ AVDictionaryEntry *e = NULL;
+
snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
fg->graph->scale_sws_opts = av_strdup(args);
+
+ args[0] = '\0';
+ while ((e = av_dict_get(fg->outputs[0]->ost->resample_opts, "", e,
+ AV_DICT_IGNORE_SUFFIX))) {
+ av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
+ }
+ if (strlen(args))
+ args[strlen(args) - 1] = '\0';
+ fg->graph->resample_lavr_opts = av_strdup(args);
}
if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
return AVERROR(EINVAL);
}
- 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;
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++)
+ configure_output_filter(fg, fg->outputs[i], cur);
+ avfilter_inout_free(&outputs);
- if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
- return ret;
- } else {
- /* wait until output mappings are processed */
- for (cur = outputs; cur;) {
- fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
- &fg->nb_outputs, fg->nb_outputs + 1);
- 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;
- }
- }
+ if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
+ return ret;
return 0;
}
projects / ffmpeg / blobdiff