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audioencoder: Ignore caps events if the input caps did not change

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This commit is contained in:
Sebastian Dröge 2013-04-18 09:54:48 +02:00
parent d1a08af605
commit d537a21075
1 changed files with 57 additions and 46 deletions
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103
gst-libs/gst/audio/gstaudioencoder.c
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@ -186,6 +186,9 @@ enum
typedef struct _GstAudioEncoderContext
{
/* input */
/* last negotiated input caps */
GstCaps *input_caps;
/* last negotiated input info */
GstAudioInfo info;
/* output */
@ -478,6 +481,8 @@ gst_audio_encoder_reset (GstAudioEncoder * enc, gboolean full)
if (enc->priv->ctx.allocator)
gst_object_unref (enc->priv->ctx.allocator);
enc->priv->ctx.allocator = NULL;
gst_caps_replace (&enc->priv->ctx.input_caps, NULL);
}
gst_segment_init (&enc->input_segment, GST_FORMAT_TIME);
@ -1237,8 +1242,10 @@ gst_audio_encoder_sink_setcaps (GstAudioEncoder * enc, GstCaps * caps)
GstAudioEncoderClass *klass;
GstAudioEncoderContext *ctx;
GstAudioInfo state;
gboolean res = TRUE, changed = FALSE;
gboolean res = TRUE;
guint old_rate;
GstClockTime old_min_latency;
GstClockTime old_max_latency;
klass = GST_AUDIO_ENCODER_GET_CLASS (enc);
@ -1254,6 +1261,16 @@ gst_audio_encoder_sink_setcaps (GstAudioEncoder * enc, GstCaps * caps)
if (!gst_caps_is_fixed (caps))
goto refuse_caps;
if (enc->priv->ctx.input_caps
&& gst_caps_is_equal (enc->priv->ctx.input_caps, caps))
goto same_caps;
if (!gst_audio_info_from_caps (&state, caps))
goto refuse_caps;
if (enc->priv->ctx.input_caps && audio_info_is_equal (&state, &ctx->info))
goto same_caps;
/* adjust ts tracking to new sample rate */
old_rate = GST_AUDIO_INFO_RATE (&ctx->info);
if (GST_CLOCK_TIME_IS_VALID (enc->priv->base_ts) && old_rate) {
@ -1262,64 +1279,58 @@ gst_audio_encoder_sink_setcaps (GstAudioEncoder * enc, GstCaps * caps)
enc->priv->samples = 0;
}
if (!gst_audio_info_from_caps (&state, caps))
goto refuse_caps;
/* drain any pending old data stuff */
gst_audio_encoder_drain (enc);
changed = !audio_info_is_equal (&state, &ctx->info);
/* context defaults */
enc->priv->ctx.frame_samples_min = 0;
enc->priv->ctx.frame_samples_max = 0;
enc->priv->ctx.frame_max = 0;
enc->priv->ctx.lookahead = 0;
if (changed) {
GstClockTime old_min_latency;
GstClockTime old_max_latency;
/* element might report latency */
GST_OBJECT_LOCK (enc);
old_min_latency = ctx->min_latency;
old_max_latency = ctx->max_latency;
GST_OBJECT_UNLOCK (enc);
/* drain any pending old data stuff */
gst_audio_encoder_drain (enc);
if (klass->set_format)
res = klass->set_format (enc, &state);
/* context defaults */
enc->priv->ctx.frame_samples_min = 0;
enc->priv->ctx.frame_samples_max = 0;
enc->priv->ctx.frame_max = 0;
enc->priv->ctx.lookahead = 0;
/* element might report latency */
GST_OBJECT_LOCK (enc);
old_min_latency = ctx->min_latency;
old_max_latency = ctx->max_latency;
GST_OBJECT_UNLOCK (enc);
if (klass->set_format)
res = klass->set_format (enc, &state);
if (res)
ctx->info = state;
/* invalidate state to ensure no casual carrying on */
if (!res) {
GST_DEBUG_OBJECT (enc, "subclass did not accept format");
gst_audio_info_init (&state);
goto exit;
}
/* notify if new latency */
GST_OBJECT_LOCK (enc);
if ((ctx->min_latency > 0 && ctx->min_latency != old_min_latency) ||
(ctx->max_latency > 0 && ctx->max_latency != old_max_latency)) {
GST_OBJECT_UNLOCK (enc);
/* post latency message on the bus */
gst_element_post_message (GST_ELEMENT (enc),
gst_message_new_latency (GST_OBJECT (enc)));
GST_OBJECT_LOCK (enc);
}
GST_OBJECT_UNLOCK (enc);
if (res) {
ctx->info = state;
gst_caps_replace (&enc->priv->ctx.input_caps, caps);
} else {
GST_DEBUG_OBJECT (enc, "new audio format identical to configured format");
/* invalidate state to ensure no casual carrying on */
GST_DEBUG_OBJECT (enc, "subclass did not accept format");
gst_audio_info_init (&state);
goto exit;
}
/* notify if new latency */
GST_OBJECT_LOCK (enc);
if ((ctx->min_latency > 0 && ctx->min_latency != old_min_latency) ||
(ctx->max_latency > 0 && ctx->max_latency != old_max_latency)) {
GST_OBJECT_UNLOCK (enc);
/* post latency message on the bus */
gst_element_post_message (GST_ELEMENT (enc),
gst_message_new_latency (GST_OBJECT (enc)));
GST_OBJECT_LOCK (enc);
}
GST_OBJECT_UNLOCK (enc);
exit:
GST_AUDIO_ENCODER_STREAM_UNLOCK (enc);
return res;
same_caps:
{
GST_DEBUG_OBJECT (enc, "new audio format identical to configured format");
goto exit;
}
/* ERRORS */
refuse_caps:
{