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fixes to wavparse:

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Original commit message from CVS:
fixes to wavparse:
- endianness is G_LITTLE_ENDIAN and not G_BYTE_ORDER
- support the law formats
- error out on unknown format, don't try to go on (fixes #110516)
- check buffer size before typefinding
This commit is contained in:
Benjamin Otte 2003-04-11 21:52:18 +00:00
parent 82d791c335
commit f3f29fbb98
1 changed files with 35 additions and 4 deletions
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39
gst/wavparse/gstwavparse.c
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@ -76,7 +76,7 @@ GST_PAD_TEMPLATE_FACTORY (src_template_factory,
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
"signed", GST_PROPS_LIST (
GST_PROPS_BOOLEAN (FALSE),
GST_PROPS_BOOLEAN (TRUE)
@ -96,6 +96,17 @@ GST_PAD_TEMPLATE_FACTORY (src_template_factory,
"wavparse_mp3",
"audio/x-mp3",
NULL
),
GST_CAPS_NEW (
"parsewav_law",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT_RANGE (1, 2),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
"width", GST_PROPS_INT (8),
"depth", GST_PROPS_INT (8),
"rate", GST_PROPS_INT_RANGE (8000, 48000),
"channels", GST_PROPS_INT_RANGE (1, 2)
)
)
@ -198,6 +209,7 @@ wav_type_find (GstBuffer *buf, gpointer private)
{
gchar *data = GST_BUFFER_DATA (buf);
if (GST_BUFFER_SIZE (buf) < 12) return NULL;
if (strncmp (&data[0], "RIFF", 4)) return NULL;
if (strncmp (&data[8], "WAVE", 4)) return NULL;
@ -341,13 +353,31 @@ gst_wavparse_chain (GstPad *pad, GstBuffer *buf)
/* FIXME: handle all of the other formats as well */
switch (wavparse->format)
{
case GST_RIFF_WAVE_FORMAT_ALAW:
case GST_RIFF_WAVE_FORMAT_MULAW:
if (!(wavparse->width == 8)) {
gst_element_error (GST_ELEMENT (wavparse), "wavparse: invalid wave file");
return;
}
caps = GST_CAPS_NEW (
"parsewav_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (wavparse->format == GST_RIFF_WAVE_FORMAT_ALAW ? 2 : 1),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
"width", GST_PROPS_INT (8),
"depth", GST_PROPS_INT (8),
"rate", GST_PROPS_INT (wavparse->rate),
"channels", GST_PROPS_INT (wavparse->channels)
);
break;
case GST_RIFF_WAVE_FORMAT_PCM:
caps = GST_CAPS_NEW (
"parsewav_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"law", GST_PROPS_INT (0), /*FIXME */
"endianness", GST_PROPS_INT (G_BYTE_ORDER),
"law", GST_PROPS_INT (0),
"endianness", GST_PROPS_INT (G_LITTLE_ENDIAN),
"signed", GST_PROPS_BOOLEAN ((wavparse->width > 8) ? TRUE : FALSE),
"width", GST_PROPS_INT (wavparse->width),
"depth", GST_PROPS_INT (wavparse->width),
@ -364,7 +394,8 @@ gst_wavparse_chain (GstPad *pad, GstBuffer *buf)
);
break;
default:
g_warning ("wavparse: format %d not handled", wavparse->format);
gst_element_error (GST_ELEMENT (wavparse), "wavparse: format %d not handled", wavparse->format);
return;
}
if (gst_pad_try_set_caps (wavparse->srcpad, caps) <= 0) {