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gst/matroska/matroska-mux.c: Add support for muxing FLAC into Matroska containers.

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Original commit message from CVS:
* gst/matroska/matroska-mux.c: (flac_streamheader_to_codecdata),
(gst_matroska_mux_audio_pad_setcaps):
Add support for muxing FLAC into Matroska containers.
Fixes bug #311586.
This commit is contained in:
Sebastian Dröge 2008-08-09 13:48:22 +00:00
parent 530c36d9e7
commit b6f5226f04
2 changed files with 96 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2008-08-09 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* gst/matroska/matroska-mux.c: (flac_streamheader_to_codecdata),
(gst_matroska_mux_audio_pad_setcaps):
Add support for muxing FLAC into Matroska containers.
Fixes bug #311586.
2008-08-09 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* ext/flac/gstflacenc.c: (gst_flac_enc_check_discont):

89
gst/matroska/matroska-mux.c
View file

@ -118,6 +118,8 @@ static GstStaticPadTemplate audiosink_templ =
COMMON_AUDIO_CAPS "; "
"audio/x-vorbis, "
COMMON_AUDIO_CAPS "; "
"audio/x-flac, "
COMMON_AUDIO_CAPS "; "
"audio/x-raw-int, "
"width = (int) 8, "
"depth = (int) 8, "
@ -198,6 +200,8 @@ static gboolean theora_streamheader_to_codecdata (const GValue * streamheader,
GstMatroskaTrackContext * context);
static gboolean vorbis_streamheader_to_codecdata (const GValue * streamheader,
GstMatroskaTrackContext * context);
static gboolean flac_streamheader_to_codecdata (const GValue * streamheader,
GstMatroskaTrackContext * context);
static void
gst_matroska_mux_add_interfaces (GType type)
@ -924,6 +928,74 @@ theora_streamheader_to_codecdata (const GValue * streamheader,
return TRUE;
}
static gboolean
flac_streamheader_to_codecdata (const GValue * streamheader,
GstMatroskaTrackContext * context)
{
GArray *bufarr;
gint i;
GValue *bufval;
GstBuffer *buffer;
if (streamheader == NULL || G_VALUE_TYPE (streamheader) != GST_TYPE_ARRAY) {
GST_WARNING ("No or invalid streamheader field in the caps");
return FALSE;
}
bufarr = g_value_peek_pointer (streamheader);
if (bufarr->len < 2) {
GST_WARNING ("Too few headers in streamheader field");
return FALSE;
}
context->xiph_headers_to_skip = bufarr->len;
bufval = &g_array_index (bufarr, GValue, 0);
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
GST_WARNING ("streamheaders array does not contain GstBuffers");
return FALSE;
}
buffer = g_value_peek_pointer (bufval);
/* Need at least OggFLAC mapping header, fLaC marker and STREAMINFO block */
if (GST_BUFFER_SIZE (buffer) < 9 + 4 + 4 + 34
|| memcmp (GST_BUFFER_DATA (buffer) + 1, "FLAC", 4) != 0
|| memcmp (GST_BUFFER_DATA (buffer) + 9, "fLaC", 4) != 0) {
GST_WARNING ("Invalid streamheader for FLAC");
return FALSE;
}
context->codec_priv = g_malloc (GST_BUFFER_SIZE (buffer) - 9);
context->codec_priv_size = GST_BUFFER_SIZE (buffer) - 9;
memcpy (context->codec_priv, GST_BUFFER_DATA (buffer) + 9,
GST_BUFFER_SIZE (buffer) - 9);
for (i = 1; i < bufarr->len; i++) {
bufval = &g_array_index (bufarr, GValue, i);
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
g_free (context->codec_priv);
context->codec_priv = NULL;
context->codec_priv_size = 0;
GST_WARNING ("streamheaders array does not contain GstBuffers");
return FALSE;
}
buffer = g_value_peek_pointer (bufval);
context->codec_priv =
g_realloc (context->codec_priv,
context->codec_priv_size + GST_BUFFER_SIZE (buffer));
memcpy (context->codec_priv + context->codec_priv_size,
GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
context->codec_priv_size =
context->codec_priv_size + GST_BUFFER_SIZE (buffer);
}
return TRUE;
}
/**
* gst_matroska_mux_audio_pad_setcaps:
* @pad: Pad which got the caps.
@ -1094,6 +1166,23 @@ gst_matroska_mux_audio_pad_setcaps (GstPad * pad, GstCaps * caps)
return FALSE;
}
return TRUE;
} else if (!strcmp (mimetype, "audio/x-flac")) {
const GValue *streamheader;
context->codec_id = g_strdup (GST_MATROSKA_CODEC_ID_AUDIO_FLAC);
if (context->codec_priv != NULL) {
g_free (context->codec_priv);
context->codec_priv = NULL;
context->codec_priv_size = 0;
}
streamheader = gst_structure_get_value (structure, "streamheader");
if (!flac_streamheader_to_codecdata (streamheader, context)) {
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
("flac stream headers missing or malformed"));
return FALSE;
}
return TRUE;
} else if (!strcmp (mimetype, "audio/x-ac3")) {
context->codec_id = g_strdup (GST_MATROSKA_CODEC_ID_AUDIO_AC3);