X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fg723_1.c;h=bb9856d2eeacf6b1b23e292e63f2bfbdb3809483;hb=e098fba5d9c9d52aaddd83e63dd910ff20b841d2;hp=e1dc431d0e7d6e5fc6a2b1621d0c1259842d4ec9;hpb=4dcd1a3145dd93602b86a44ebc07d98ca2a30ab6;p=ffmpeg diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c index e1dc431d0e7..bb9856d2eea 100644 --- a/libavcodec/g723_1.c +++ b/libavcodec/g723_1.c @@ -36,6 +36,7 @@ #include "g723_1_data.h" typedef struct g723_1_context { + AVFrame frame; G723_1_Subframe subframe[4]; FrameType cur_frame_type; FrameType past_frame_type; @@ -80,6 +81,9 @@ static av_cold int g723_1_decode_init(AVCodecContext *avctx) p->pf_gain = 1 << 12; memcpy(p->prev_lsp, dc_lsp, LPC_ORDER * sizeof(int16_t)); + avcodec_get_frame_defaults(&p->frame); + avctx->coded_frame = &p->frame; + return 0; } @@ -950,12 +954,12 @@ static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) } static int g723_1_decode_frame(AVCodecContext *avctx, void *data, - int *data_size, AVPacket *avpkt) + int *got_frame_ptr, AVPacket *avpkt) { G723_1_Context *p = avctx->priv_data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - int16_t *out = data; + int16_t *out; int dec_mode = buf[0] & 3; PPFParam ppf[SUBFRAMES]; @@ -963,10 +967,10 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data, int16_t lpc[SUBFRAMES * LPC_ORDER]; int16_t acb_vector[SUBFRAME_LEN]; int16_t *vector_ptr; - int bad_frame = 0, i, j; + int bad_frame = 0, i, j, ret; if (!buf_size || buf_size < frame_size[dec_mode]) { - *data_size = 0; + *got_frame_ptr = 0; return buf_size; } @@ -976,7 +980,14 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data, ActiveFrame : UntransmittedFrame; } - *data_size = FRAME_LEN * sizeof(int16_t); + p->frame.nb_samples = FRAME_LEN + LPC_ORDER; + if ((ret = avctx->get_buffer(avctx, &p->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; + } + out= p->frame.data[0]; + + if(p->cur_frame_type == ActiveFrame) { if (!bad_frame) { p->erased_frames = 0; @@ -1051,7 +1062,7 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data, memcpy(p->prev_excitation, p->excitation + FRAME_LEN, PITCH_MAX * sizeof(int16_t)); } else { - memset(out, 0, *data_size); + memset(out, 0, sizeof(int16_t)*FRAME_LEN); av_log(avctx, AV_LOG_WARNING, "G.723.1: Comfort noise generation not supported yet\n"); return frame_size[dec_mode]; @@ -1068,7 +1079,10 @@ static int g723_1_decode_frame(AVCodecContext *avctx, void *data, formant_postfilter(p, lpc, out); - memmove(out, out + LPC_ORDER, *data_size); + memmove(out, out + LPC_ORDER, sizeof(int16_t)*FRAME_LEN); + p->frame.nb_samples = FRAME_LEN; + *(AVFrame*)data = p->frame; + *got_frame_ptr = 1; return frame_size[dec_mode]; }