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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> 2006-09019 Edgard Lima <edgard.lima@indt.org.br>
Patch by: deadchip <internalerror@gmail.com> and Patch by: deadchip <internalerror@gmail.com> and

113
ext/faac/gstfaac.c
View file

@ -20,6 +20,7 @@
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
#include "config.h" #include "config.h"
#endif #endif
#include <string.h>
#include "gstfaac.h" #include "gstfaac.h"
@ -354,9 +355,10 @@ static gboolean
gst_faac_configure_source_pad (GstFaac * faac) gst_faac_configure_source_pad (GstFaac * faac)
{ {
GstCaps *allowed_caps; GstCaps *allowed_caps;
GstCaps *src_caps; GstCaps *srccaps;
gboolean ret = FALSE; gboolean ret = FALSE;
gint n, ver, mpegversion; gint n, ver, mpegversion;
faacEncConfiguration *conf;
mpegversion = FAAC_DEFAULT_MPEGVERSION; mpegversion = FAAC_DEFAULT_MPEGVERSION;
@ -367,7 +369,7 @@ gst_faac_configure_source_pad (GstFaac * faac)
return FALSE; return FALSE;
if (gst_caps_is_empty (allowed_caps)) if (gst_caps_is_empty (allowed_caps))
goto done; goto empty_caps;
if (!gst_caps_is_any (allowed_caps)) { if (!gst_caps_is_any (allowed_caps)) {
for (n = 0; n < gst_caps_get_size (allowed_caps); n++) { 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, "mpegversion", G_TYPE_INT, mpegversion,
"channels", G_TYPE_INT, faac->channels, "channels", G_TYPE_INT, faac->channels,
"rate", G_TYPE_INT, faac->samplerate, NULL); "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); /* get the config string */
gst_caps_unref (src_caps); GST_DEBUG_OBJECT (faac, "retrieving decoder info");
faacEncGetDecoderSpecificInfo (faac->handle, &config, &config_len);
if (ret) { /* copy it into a buffer */
faacEncConfiguration *conf; codec_data = gst_buffer_new_and_alloc (config_len);
memcpy (GST_BUFFER_DATA (codec_data), config, config_len);
/* new conf */ /* add to caps */
conf = faacEncGetCurrentConfiguration (faac->handle); gst_caps_set_simple (srccaps,
conf->mpegVersion = (mpegversion == 4) ? MPEG4 : MPEG2; "codec_data", GST_TYPE_BUFFER, codec_data, NULL);
conf->aacObjectType = faac->profile;
conf->allowMidside = faac->midside; gst_buffer_unref (codec_data);
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;
}
} }
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; 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 static gboolean
@ -480,22 +506,12 @@ gst_faac_chain (GstPad * pad, GstBuffer * inbuf)
faac = GST_FAAC (gst_pad_get_parent (pad)); faac = GST_FAAC (gst_pad_get_parent (pad));
if (!faac->handle) { if (!faac->handle)
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL), goto no_handle;
("format wasn't negotiated before chain function"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
if (!GST_PAD_CAPS (faac->srcpad)) { if (!GST_PAD_CAPS (faac->srcpad)) {
if (!gst_faac_configure_source_pad (faac)) { if (!gst_faac_configure_source_pad (faac))
GST_ELEMENT_ERROR (faac, CORE, NEGOTIATION, (NULL), goto nego_failed;
("failed to negotiate MPEG/AAC format with next element"));
gst_buffer_unref (inbuf);
result = GST_FLOW_ERROR;
goto done;
}
} }
size = GST_BUFFER_SIZE (inbuf); size = GST_BUFFER_SIZE (inbuf);
@ -607,7 +623,26 @@ gst_faac_chain (GstPad * pad, GstBuffer * inbuf)
done: done:
gst_object_unref (faac); gst_object_unref (faac);
return result; 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 static void