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authorMichael Niedermayer <[email protected]>2013-03-20 21:41:22 +0100
committerMichael Niedermayer <[email protected]>2013-03-20 21:41:26 +0100
commit426ebdf923f9826e456bb734299fa2d2b6199524 (patch)
treef30fd4ac99579f87dec2bb4df06e30cbb0ee8859 /libavfilter/avf_concat.c
parentb853103fe0e59edc8970462abc6c181610ad9216 (diff)
parent2753d4ebf067593070ca4e9b3ea1dbe6ace23ba3 (diff)
Merge remote-tracking branch 'cigaes/master'
* cigaes/master: lavfi/vf_yadif: use standard options parsing. lavfi/vf_unsharp: use standard options parsing. lavfi/vf_transpose: use standard options parsing. lavfi/vf_pad: use standard options parsing. lavfi/vf_fps: use standard options parsing. lavfi/vf_fade: use standard options parsing. lavi/vf_drawbox: use standard options parsing. lavfi/vf_delogo: use standard options parsing. lavfi/vf_decimate: use standard options parsing. lavfi/vf_crop: use standard options parsing. lavfi/af_volume: use standard options parsing. lavfi/vf_tile: use standard options parsing. lavfi/avf_concat: use standard options parsing. lavfi: add common code to handle options parsing. lavf/vobsub: free index pseudo-packet. ffmpeg: fix freeing of sub2video frame. lavfi: add sine audio source. lavu/opt: add AV_OPT_TYPE_DURATION. lavfi/concat: fix silence duration computation. lavf/concatdec: support seeking. Merged-by: Michael Niedermayer <[email protected]>
Diffstat (limited to 'libavfilter/avf_concat.c')
-rw-r--r--libavfilter/avf_concat.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/libavfilter/avf_concat.c b/libavfilter/avf_concat.c
index 7b5d5913d3..2b3640b1b0 100644
--- a/libavfilter/avf_concat.c
+++ b/libavfilter/avf_concat.c
@@ -232,7 +232,7 @@ static void close_input(AVFilterContext *ctx, unsigned in_no)
ctx->input_pads[in_no].name, cat->nb_in_active);
}
-static void find_next_delta_ts(AVFilterContext *ctx)
+static void find_next_delta_ts(AVFilterContext *ctx, int64_t *seg_delta)
{
ConcatContext *cat = ctx->priv;
unsigned i = cat->cur_idx;
@@ -243,13 +243,15 @@ static void find_next_delta_ts(AVFilterContext *ctx)
for (; i < imax; i++)
pts = FFMAX(pts, cat->in[i].pts);
cat->delta_ts += pts;
+ *seg_delta = pts;
}
-static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no)
+static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no,
+ int64_t seg_delta)
{
ConcatContext *cat = ctx->priv;
AVFilterLink *outlink = ctx->outputs[out_no];
- int64_t base_pts = cat->in[in_no].pts + cat->delta_ts;
+ int64_t base_pts = cat->in[in_no].pts + cat->delta_ts - seg_delta;
int64_t nb_samples, sent = 0;
int frame_nb_samples, ret;
AVRational rate_tb = { 1, ctx->inputs[in_no]->sample_rate };
@@ -258,7 +260,7 @@ static int send_silence(AVFilterContext *ctx, unsigned in_no, unsigned out_no)
if (!rate_tb.den)
return AVERROR_BUG;
- nb_samples = av_rescale_q(cat->delta_ts - base_pts,
+ nb_samples = av_rescale_q(seg_delta - cat->in[in_no].pts,
outlink->time_base, rate_tb);
frame_nb_samples = FFMAX(9600, rate_tb.den / 5); /* arbitrary */
while (nb_samples) {
@@ -283,8 +285,9 @@ static int flush_segment(AVFilterContext *ctx)
int ret;
ConcatContext *cat = ctx->priv;
unsigned str, str_max;
+ int64_t seg_delta;
- find_next_delta_ts(ctx);
+ find_next_delta_ts(ctx, &seg_delta);
cat->cur_idx += ctx->nb_outputs;
cat->nb_in_active = ctx->nb_outputs;
av_log(ctx, AV_LOG_VERBOSE, "Segment finished at pts=%"PRId64"\n",
@@ -295,7 +298,8 @@ static int flush_segment(AVFilterContext *ctx)
str = cat->nb_streams[AVMEDIA_TYPE_VIDEO];
str_max = str + cat->nb_streams[AVMEDIA_TYPE_AUDIO];
for (; str < str_max; str++) {
- ret = send_silence(ctx, cat->cur_idx - ctx->nb_outputs + str, str);
+ ret = send_silence(ctx, cat->cur_idx - ctx->nb_outputs + str, str,
+ seg_delta);
if (ret < 0)
return ret;
}
@@ -354,17 +358,8 @@ static int request_frame(AVFilterLink *outlink)
static av_cold int init(AVFilterContext *ctx, const char *args)
{
ConcatContext *cat = ctx->priv;
- int ret;
unsigned seg, type, str;
- cat->class = &concat_class;
- av_opt_set_defaults(cat);
- ret = av_set_options_string(cat, args, "=", ":");
- if (ret < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing options: '%s'\n", args);
- return ret;
- }
-
/* create input pads */
for (seg = 0; seg < cat->nb_segments; seg++) {
for (type = 0; type < TYPE_ALL; type++) {
@@ -414,6 +409,8 @@ static av_cold void uninit(AVFilterContext *ctx)
av_free(cat->in);
}
+static const char *const shorthand[] = { NULL };
+
AVFilter avfilter_avf_concat = {
.name = "concat",
.description = NULL_IF_CONFIG_SMALL("Concatenate audio and video streams."),
@@ -424,4 +421,5 @@ AVFilter avfilter_avf_concat = {
.inputs = NULL,
.outputs = NULL,
.priv_class = &concat_class,
+ .shorthand = shorthand,
};