summaryrefslogtreecommitdiff
path: root/libavcodec/libgsm.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/libgsm.c')
-rw-r--r--libavcodec/libgsm.c54
1 files changed, 31 insertions, 23 deletions
diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index b4d1c74f8c..f3cfb91f17 100644
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -3,20 +3,20 @@
* Copyright (c) 2005 Alban Bedel <albeu@free.fr>
* Copyright (c) 2006, 2007 Michel Bardiaux <mbardiaux@mediaxim.be>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -35,6 +35,15 @@
#include "internal.h"
#include "gsm.h"
+static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
+#if FF_API_OLD_ENCODE_AUDIO
+ av_freep(&avctx->coded_frame);
+#endif
+ gsm_destroy(avctx->priv_data);
+ avctx->priv_data = NULL;
+ return 0;
+}
+
static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
if (avctx->channels > 1) {
av_log(avctx, AV_LOG_ERROR, "Mono required for GSM, got %d channels\n",
@@ -58,6 +67,8 @@ static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
}
avctx->priv_data = gsm_create();
+ if (!avctx->priv_data)
+ goto error;
switch(avctx->codec_id) {
case AV_CODEC_ID_GSM:
@@ -74,22 +85,14 @@ static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
#if FF_API_OLD_ENCODE_AUDIO
avctx->coded_frame= avcodec_alloc_frame();
- if (!avctx->coded_frame) {
- gsm_destroy(avctx->priv_data);
- return AVERROR(ENOMEM);
- }
+ if (!avctx->coded_frame)
+ goto error;
#endif
return 0;
-}
-
-static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
-#if FF_API_OLD_ENCODE_AUDIO
- av_freep(&avctx->coded_frame);
-#endif
- gsm_destroy(avctx->priv_data);
- avctx->priv_data = NULL;
- return 0;
+error:
+ libgsm_encode_close(avctx);
+ return -1;
}
static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
@@ -99,10 +102,8 @@ static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
gsm_signal *samples = (gsm_signal *)frame->data[0];
struct gsm_state *state = avctx->priv_data;
- if ((ret = ff_alloc_packet(avpkt, avctx->block_align))) {
- av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ if ((ret = ff_alloc_packet2(avctx, avpkt, avctx->block_align)))
return ret;
- }
switch(avctx->codec_id) {
case AV_CODEC_ID_GSM:
@@ -118,6 +119,7 @@ static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
}
+#if CONFIG_LIBGSM_ENCODER
AVCodec ff_libgsm_encoder = {
.name = "libgsm",
.type = AVMEDIA_TYPE_AUDIO,
@@ -129,7 +131,8 @@ AVCodec ff_libgsm_encoder = {
AV_SAMPLE_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
};
-
+#endif
+#if CONFIG_LIBGSM_MS_ENCODER
AVCodec ff_libgsm_ms_encoder = {
.name = "libgsm_ms",
.type = AVMEDIA_TYPE_AUDIO,
@@ -141,6 +144,7 @@ AVCodec ff_libgsm_ms_encoder = {
AV_SAMPLE_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
};
+#endif
typedef struct LibGSMDecodeContext {
AVFrame frame;
@@ -152,7 +156,8 @@ static av_cold int libgsm_decode_init(AVCodecContext *avctx) {
avctx->channels = 1;
avctx->channel_layout = AV_CH_LAYOUT_MONO;
- avctx->sample_rate = 8000;
+ if (!avctx->sample_rate)
+ avctx->sample_rate = 8000;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
s->state = gsm_create();
@@ -229,6 +234,7 @@ static void libgsm_flush(AVCodecContext *avctx) {
gsm_option(s->state, GSM_OPT_WAV49, &one);
}
+#if CONFIG_LIBGSM_DECODER
AVCodec ff_libgsm_decoder = {
.name = "libgsm",
.type = AVMEDIA_TYPE_AUDIO,
@@ -241,7 +247,8 @@ AVCodec ff_libgsm_decoder = {
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
};
-
+#endif
+#if CONFIG_LIBGSM_MS_DECODER
AVCodec ff_libgsm_ms_decoder = {
.name = "libgsm_ms",
.type = AVMEDIA_TYPE_AUDIO,
@@ -254,3 +261,4 @@ AVCodec ff_libgsm_ms_decoder = {
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),
};
+#endif