char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
+ int i;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
ost->max_frames = INT64_MAX;
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
+ for (i = 0; i<o->nb_max_frames; i++) {
+ char *p = o->max_frames[i].specifier;
+ if (!*p && type != AVMEDIA_TYPE_VIDEO) {
+ av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
+ break;
+ }
+ }
ost->copy_prior_start = -1;
MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
}
}
+/* read file contents into a string */
+static uint8_t *read_file(const char *filename)
+{
+ AVIOContext *pb = NULL;
+ AVIOContext *dyn_buf = NULL;
+ int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
+ uint8_t buf[1024], *str;
+
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
+ return NULL;
+ }
+
+ ret = avio_open_dyn_buf(&dyn_buf);
+ if (ret < 0) {
+ avio_closep(&pb);
+ return NULL;
+ }
+ while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
+ avio_write(dyn_buf, buf, ret);
+ avio_w8(dyn_buf, 0);
+ avio_closep(&pb);
+
+ ret = avio_close_dyn_buf(dyn_buf, &str);
+ if (ret < 0)
+ return NULL;
+ return str;
+}
+
+static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
+ OutputStream *ost)
+{
+ AVStream *st = ost->st;
+ char *filter = NULL, *filter_script = NULL;
+
+ MATCH_PER_STREAM_OPT(filter_scripts, str, filter_script, oc, st);
+ MATCH_PER_STREAM_OPT(filters, str, filter, oc, st);
+
+ if (filter_script && filter) {
+ av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
+ "output stream #%d:%d.\n", nb_output_files, st->index);
+ exit(1);
+ }
+
+ if (filter_script)
+ return read_file(filter_script);
+ else if (filter)
+ return av_strdup(filter);
+
+ return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ?
+ "null" : "anull");
+}
+
static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
AVStream *st;
char *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
char *intra_matrix = NULL, *inter_matrix = NULL;
- const char *filters = "null";
int do_pass = 0;
int i;
av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
exit(1);
}
- ost->frame_aspect_ratio = av_q2d(q);
+ ost->frame_aspect_ratio = q;
}
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
ost->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
- MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
- ost->avfilter = av_strdup(filters);
+
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit(1);
} else {
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
}
if (!ost->stream_copy) {
char *sample_fmt = NULL;
- const char *filters = "anull";
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
- MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
-
- av_assert1(filters);
- ost->avfilter = av_strdup(filters);
+ ost->avfilter = get_ost_filters(o, oc, ost);
+ if (!ost->avfilter)
+ exit(1);
/* check for channel mapping for this audio stream */
for (n = 0; n < o->nb_audio_channel_maps; n++) {
GROW_ARRAY(filtergraphs, nb_filtergraphs);
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
return AVERROR(ENOMEM);
- filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
- filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
+ if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
+ return AVERROR(ENOMEM);
+ return 0;
+}
+
+static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
+{
+ uint8_t *graph_desc = read_file(arg);
+ if (!graph_desc)
+ return AVERROR(EINVAL);
+
+ GROW_ARRAY(filtergraphs, nb_filtergraphs);
+ if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+ return AVERROR(ENOMEM);
+ filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
+ filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
return 0;
}
"set profile", "profile" },
{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) },
"set stream filtergraph", "filter_graph" },
+ { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) },
+ "read stream filtergraph description from a file", "filename" },
{ "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) },
"reinit filtergraph on input parameter changes", "" },
{ "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
"create a complex filtergraph", "graph_description" },
{ "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex },
"create a complex filtergraph", "graph_description" },
+ { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script },
+ "read complex filtergraph description from a file", "filename" },
{ "stats", OPT_BOOL, { &print_stats },
"print progress report during encoding", },
{ "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT |