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audio{enc,dec}oder: Check if srcpad caps are a subset of the template caps

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This commit is contained in:
Sebastian Dröge 2012-02-01 16:32:53 +01:00
parent 2fe94cad44
commit 5aa6748151
2 changed files with 19 additions and 0 deletions
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10
gst-libs/gst/audio/gstaudiodecoder.c
View file

@ -503,6 +503,7 @@ gst_audio_decoder_set_output_format (GstAudioDecoder * dec,
gboolean res = TRUE;
guint old_rate;
GstCaps *caps;
GstCaps *templ_caps;
GST_DEBUG_OBJECT (dec, "Setting output format");
@ -514,6 +515,15 @@ gst_audio_decoder_set_output_format (GstAudioDecoder * dec,
if (!caps)
goto refuse_caps;
/* Only allow caps that are a subset of the template caps */
templ_caps = gst_pad_get_pad_template_caps (dec->srcpad);
if (!gst_caps_is_subset (caps, templ_caps)) {
gst_caps_unref (caps);
gst_caps_unref (templ_caps);
goto refuse_caps;
}
gst_caps_unref (templ_caps);
/* adjust ts tracking to new sample rate */
old_rate = GST_AUDIO_INFO_RATE (&dec->priv->ctx.info);
if (GST_CLOCK_TIME_IS_VALID (dec->priv->base_ts) && old_rate) {

9
gst-libs/gst/audio/gstaudioencoder.c
View file

@ -2183,12 +2183,21 @@ gboolean
gst_audio_encoder_set_output_format (GstAudioEncoder * enc, GstCaps * caps)
{
gboolean res = FALSE;
GstCaps *templ_caps;
GST_DEBUG_OBJECT (enc, "Setting srcpad caps %" GST_PTR_FORMAT, caps);
if (!gst_caps_is_fixed (caps))
goto refuse_caps;
/* Only allow caps that are a subset of the template caps */
templ_caps = gst_pad_get_pad_template_caps (enc->srcpad);
if (!gst_caps_is_subset (caps, templ_caps)) {
gst_caps_unref (templ_caps);
goto refuse_caps;
}
gst_caps_unref (templ_caps);
res = gst_pad_set_caps (enc->srcpad, caps);
done: