virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

g729dec: update to the new API

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-03 02:26:01 +01:00
parent e4de71677f
commit 7db5ff7996
1 changed files with 15 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libavcodec/g729dec.c
View File

@ -99,6 +99,7 @@ typedef struct {
typedef struct {
DSPContext dsp;
AVFrame frame;
/// past excitation signal buffer
int16_t exc_base[2*SUBFRAME_SIZE+PITCH_DELAY_MAX+INTERPOL_LEN];
@ -380,15 +381,18 @@ static av_cold int decoder_init(AVCodecContext * avctx)
dsputil_init(&ctx->dsp, avctx);
ctx->dsp.scalarproduct_int16 = scalarproduct_int16_c;
avcodec_get_frame_defaults(&ctx->frame);
avctx->coded_frame = &ctx->frame;
return 0;
}
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int16_t *out_frame = data;
int16_t *out_frame;
GetBitContext gb;
const G729FormatDescription *format;
int frame_erasure = 0; ///< frame erasure detected during decoding
@ -407,14 +411,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
int pitch_delay_3x; // pitch delay, multiplied by 3
int16_t fc[SUBFRAME_SIZE]; // fixed-codebook vector
int16_t synth[SUBFRAME_SIZE+10]; // fixed-codebook vector
int j;
int j, ret;
int gain_before, gain_after;
int is_periodic = 0; // whether one of the subframes is declared as periodic or not
if (*data_size < SUBFRAME_SIZE << 2) {
av_log(avctx, AV_LOG_ERROR, "Error processing packet: output buffer too small\n");
return AVERROR(EIO);
ctx->frame.nb_samples = SUBFRAME_SIZE<<1;
if ((ret = avctx->get_buffer(avctx, &ctx->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
out_frame= ctx->frame.data[0];
if (buf_size == 10) {
packet_type = FORMAT_G729_8K;
@ -701,7 +707,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
/* Save signal for use in next frame. */
memmove(ctx->exc_base, ctx->exc_base + 2 * SUBFRAME_SIZE, (PITCH_DELAY_MAX+INTERPOL_LEN)*sizeof(int16_t));
*data_size = SUBFRAME_SIZE << 2;
*got_frame_ptr = 1;
*(AVFrame*)data = ctx->frame;
return buf_size;
}
@ -715,5 +722,6 @@ AVCodec ff_g729_decoder =
NULL,
NULL,
decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("G.729"),
};