aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/libopencore-amr.c
diff options
context:
space:
mode:
authorJustin Ruggles <justin.ruggles@gmail.com>2011-09-06 12:17:45 -0400
committerJustin Ruggles <justin.ruggles@gmail.com>2011-12-02 17:40:40 -0500
commit0eea212943544d40f99b05571aa7159d78667154 (patch)
tree1e6b0271a633bf8a3f92c78bdfbaca275498ee26 /libavcodec/libopencore-amr.c
parent560f773c7ddd17f66e2621222980c1359a9027be (diff)
downloadffmpeg-0eea212943544d40f99b05571aa7159d78667154.tar.gz
Add avcodec_decode_audio4().
Deprecate avcodec_decode_audio3(). Implement audio support in avcodec_default_get_buffer(). Implement the new audio decoder API in all audio decoders.
Diffstat (limited to 'libavcodec/libopencore-amr.c')
-rw-r--r--libavcodec/libopencore-amr.c52
1 files changed, 35 insertions, 17 deletions
diff --git a/libavcodec/libopencore-amr.c b/libavcodec/libopencore-amr.c
index a705975aa9..ded92179d3 100644
--- a/libavcodec/libopencore-amr.c
+++ b/libavcodec/libopencore-amr.c
@@ -79,6 +79,7 @@ static int get_bitrate_mode(int bitrate, void *log_ctx)
typedef struct AMRContext {
AVClass *av_class;
+ AVFrame frame;
void *dec_state;
void *enc_state;
int enc_bitrate;
@@ -112,6 +113,9 @@ static av_cold int amr_nb_decode_init(AVCodecContext *avctx)
return AVERROR(ENOSYS);
}
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
return 0;
}
@@ -120,26 +124,28 @@ static av_cold int amr_nb_decode_close(AVCodecContext *avctx)
AMRContext *s = avctx->priv_data;
Decoder_Interface_exit(s->dec_state);
+
return 0;
}
static int amr_nb_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AMRContext *s = avctx->priv_data;
static const uint8_t block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0 };
enum Mode dec_mode;
- int packet_size, out_size;
+ int packet_size, ret;
av_dlog(avctx, "amr_decode_frame buf=%p buf_size=%d frame_count=%d!!\n",
buf, buf_size, avctx->frame_number);
- out_size = 160 * av_get_bytes_per_sample(avctx->sample_fmt);
- if (*data_size < out_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
- return AVERROR(EINVAL);
+ /* get output buffer */
+ s->frame.nb_samples = 160;
+ if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
dec_mode = (buf[0] >> 3) & 0x000F;
@@ -154,8 +160,10 @@ static int amr_nb_decode_frame(AVCodecContext *avctx, void *data,
av_dlog(avctx, "packet_size=%d buf= 0x%X %X %X %X\n",
packet_size, buf[0], buf[1], buf[2], buf[3]);
/* call decoder */
- Decoder_Interface_Decode(s->dec_state, buf, data, 0);
- *data_size = out_size;
+ Decoder_Interface_Decode(s->dec_state, buf, (short *)s->frame.data[0], 0);
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
return packet_size;
}
@@ -168,6 +176,7 @@ AVCodec ff_libopencore_amrnb_decoder = {
.init = amr_nb_decode_init,
.close = amr_nb_decode_close,
.decode = amr_nb_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("OpenCORE Adaptive Multi-Rate (AMR) Narrow-Band"),
};
@@ -251,6 +260,7 @@ AVCodec ff_libopencore_amrnb_encoder = {
#include <opencore-amrwb/if_rom.h>
typedef struct AMRWBContext {
+ AVFrame frame;
void *state;
} AMRWBContext;
@@ -267,23 +277,27 @@ static av_cold int amr_wb_decode_init(AVCodecContext *avctx)
return AVERROR(ENOSYS);
}
+ avcodec_get_frame_defaults(&s->frame);
+ avctx->coded_frame = &s->frame;
+
return 0;
}
static int amr_wb_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AMRWBContext *s = avctx->priv_data;
- int mode;
- int packet_size, out_size;
+ int mode, ret;
+ int packet_size;
static const uint8_t block_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
- out_size = 320 * av_get_bytes_per_sample(avctx->sample_fmt);
- if (*data_size < out_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
- return AVERROR(EINVAL);
+ /* get output buffer */
+ s->frame.nb_samples = 320;
+ if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
}
mode = (buf[0] >> 3) & 0x000F;
@@ -295,8 +309,11 @@ static int amr_wb_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR_INVALIDDATA;
}
- D_IF_decode(s->state, buf, data, _good_frame);
- *data_size = out_size;
+ D_IF_decode(s->state, buf, (short *)s->frame.data[0], _good_frame);
+
+ *got_frame_ptr = 1;
+ *(AVFrame *)data = s->frame;
+
return packet_size;
}
@@ -316,6 +333,7 @@ AVCodec ff_libopencore_amrwb_decoder = {
.init = amr_wb_decode_init,
.close = amr_wb_decode_close,
.decode = amr_wb_decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("OpenCORE Adaptive Multi-Rate (AMR) Wide-Band"),
};