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ext/faac/gstfaac.c: Add decoder specific info on the caps.

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Original commit message from CVS:
* ext/faac/gstfaac.c: (gst_faac_configure_source_pad),
(gst_faac_chain):
Add decoder specific info on the caps.
Some cleanups here and there.
This commit is contained in:
Wim Taymans 2006-09-21 13:41:42 +00:00
parent 1b8664b4c5
commit 2dec089aeb
2 changed files with 81 additions and 39 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2006-09-21 Wim Taymans <wim@fluendo.com>
* ext/faac/gstfaac.c: (gst_faac_configure_source_pad),
(gst_faac_chain):
Add decoder specific info on the caps.
Some cleanups here and there.
2006-09019 Edgard Lima <edgard.lima@indt.org.br>
Patch by: deadchip <internalerror@gmail.com> and

113
ext/faac/gstfaac.c
View file

@ -20,6 +20,7 @@
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "gstfaac.h"
@ -354,9 +355,10 @@ static gboolean
gst_faac_configure_source_pad (GstFaac * faac)
{
GstCaps *allowed_caps;
GstCaps *src_caps;
GstCaps *srccaps;
gboolean ret = FALSE;
gint n, ver, mpegversion;
faacEncConfiguration *conf;
mpegversion = FAAC_DEFAULT_MPEGVERSION;
@ -367,7 +369,7 @@ gst_faac_configure_source_pad (GstFaac * faac)
return FALSE;
if (gst_caps_is_empty (allowed_caps))
goto done;
goto empty_caps;
if (!gst_caps_is_any (allowed_caps)) {
for (n = 0; n < gst_caps_get_size (allowed_caps); n++) {
@ -380,42 +382,66 @@ gst_faac_configure_source_pad (GstFaac * faac)
}
}
}
gst_caps_unref (allowed_caps);
src_caps = gst_caps_new_simple ("audio/mpeg",
/* we negotiated caps update current configuration */
conf = faacEncGetCurrentConfiguration (faac->handle);
conf->mpegVersion = (mpegversion == 4) ? MPEG4 : MPEG2;
conf->aacObjectType = faac->profile;
conf->allowMidside = faac->midside;
conf->useLfe = 0;
conf->useTns = faac->tns;
conf->bitRate = faac->bitrate / faac->channels;
conf->inputFormat = faac->format;
conf->outputFormat = faac->outputformat;
conf->shortctl = faac->shortctl;
if (!faacEncSetConfiguration (faac->handle, conf))
goto set_failed;
/* now create a caps for it all */
srccaps = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, mpegversion,
"channels", G_TYPE_INT, faac->channels,
"rate", G_TYPE_INT, faac->samplerate, NULL);
GST_DEBUG_OBJECT (faac, "src pad caps: %" GST_PTR_FORMAT, src_caps);
if (mpegversion == 4) {
GstBuffer *codec_data;
guint8 *config = NULL;
gulong config_len = 0;
ret = gst_pad_set_caps (faac->srcpad, src_caps);
gst_caps_unref (src_caps);
/* get the config string */
GST_DEBUG_OBJECT (faac, "retrieving decoder info");
faacEncGetDecoderSpecificInfo (faac->handle, &config, &config_len);
if (ret) {
faacEncConfiguration *conf;
/* copy it into a buffer */
codec_data = gst_buffer_new_and_alloc (config_len);
memcpy (GST_BUFFER_DATA (codec_data), config, config_len);
/* new conf */
conf = faacEncGetCurrentConfiguration (faac->handle);
conf->mpegVersion = (mpegversion == 4) ? MPEG4 : MPEG2;
conf->aacObjectType = faac->profile;
conf->allowMidside = faac->midside;
conf->useLfe = 0;
conf->useTns = faac->tns;
conf->bitRate = faac->bitrate / faac->channels;
conf->inputFormat = faac->format;
conf->outputFormat = faac->outputformat;
conf->shortctl = faac->shortctl;
if (!faacEncSetConfiguration (faac->handle, conf)) {
GST_WARNING ("Faac doesn't support the current configuration");
ret = FALSE;
}
/* add to caps */
gst_caps_set_simple (srccaps,
"codec_data", GST_TYPE_BUFFER, codec_data, NULL);
gst_buffer_unref (codec_data);
}
done:
GST_DEBUG_OBJECT (faac, "src pad caps: %" GST_PTR_FORMAT, srccaps);
gst_caps_unref (allowed_caps);
ret = gst_pad_set_caps (faac->srcpad, srccaps);
gst_caps_unref (srccaps);
return ret;
/* ERROR */
empty_caps:
{
gst_caps_unref (allowed_caps);
return FALSE;
}
set_failed:
{
GST_WARNING_OBJECT (faac, "Faac doesn't support the current configuration");
return FALSE;
}
}
static gboolean
@ -480,22 +506,12 @@ gst_faac_chain (GstPad * pad, GstBuffer * inbuf)
faac = GST_FAAC (gst_pad_get_parent (pad));
if (!faac->handle) {
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
if (!faac->handle)
goto no_handle;
if (!GST_PAD_CAPS (faac->srcpad)) {
if (!gst_faac_configure_source_pad (faac)) {
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("failed to negotiate MPEG/AAC format with next element"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
if (!gst_faac_configure_source_pad (faac))
goto nego_failed;
}
size = GST_BUFFER_SIZE (inbuf);
@ -607,7 +623,26 @@ gst_faac_chain (GstPad * pad, GstBuffer * inbuf)
done:
gst_object_unref (faac);
return result;
/* ERRORS */
no_handle:
{
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("format wasn't negotiated before chain function"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
nego_failed:
{
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL),
("failed to negotiate MPEG/AAC format with next element"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
}
static void