diff options
Diffstat (limited to 'libavcodec/8svx.c')
-rw-r--r-- | libavcodec/8svx.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/libavcodec/8svx.c b/libavcodec/8svx.c index 3e3eae6c87..4f11b8bec4 100644 --- a/libavcodec/8svx.c +++ b/libavcodec/8svx.c @@ -32,6 +32,7 @@ /** decoder context */ typedef struct EightSvxContext { + AVFrame frame; uint8_t fib_acc[2]; const int8_t *table; @@ -83,13 +84,13 @@ static void raw_decode(uint8_t *dst, const int8_t *src, int src_size, } /** decode a frame */ -static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, int *data_size, - AVPacket *avpkt) +static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *avpkt) { EightSvxContext *esc = avctx->priv_data; int buf_size; - uint8_t *out_data = data; - int out_data_size; + uint8_t *out_data; + int ret; int is_compr = (avctx->codec_id != CODEC_ID_PCM_S8_PLANAR); /* for the first packet, copy data to buffer */ @@ -134,15 +135,18 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, int *data_si /* decode next piece of data from the buffer */ buf_size = FFMIN(MAX_FRAME_SIZE, esc->data_size - esc->data_idx); if (buf_size <= 0) { - *data_size = 0; + *got_frame_ptr = 0; return avpkt->size; } - out_data_size = buf_size * (is_compr + 1) * avctx->channels; - if (*data_size < out_data_size) { - av_log(avctx, AV_LOG_ERROR, "Provided buffer with size %d is too small.\n", - *data_size); - return AVERROR(EINVAL); + + /* get output buffer */ + esc->frame.nb_samples = buf_size * (is_compr + 1); + if ((ret = avctx->get_buffer(avctx, &esc->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; } + out_data = esc->frame.data[0]; + if (is_compr) { delta_decode(out_data, &esc->data[0][esc->data_idx], buf_size, &esc->fib_acc[0], esc->table, avctx->channels); @@ -158,7 +162,9 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, int *data_si } } esc->data_idx += buf_size; - *data_size = out_data_size; + + *got_frame_ptr = 1; + *(AVFrame *)data = esc->frame; return avpkt->size; } @@ -186,6 +192,10 @@ static av_cold int eightsvx_decode_init(AVCodecContext *avctx) return -1; } avctx->sample_fmt = AV_SAMPLE_FMT_U8; + + avcodec_get_frame_defaults(&esc->frame); + avctx->coded_frame = &esc->frame; + return 0; } @@ -207,7 +217,7 @@ AVCodec ff_eightsvx_fib_decoder = { .init = eightsvx_decode_init, .close = eightsvx_decode_close, .decode = eightsvx_decode_frame, - .capabilities = CODEC_CAP_DELAY, + .capabilities = CODEC_CAP_DELAY | CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("8SVX fibonacci"), }; @@ -219,7 +229,7 @@ AVCodec ff_eightsvx_exp_decoder = { .init = eightsvx_decode_init, .close = eightsvx_decode_close, .decode = eightsvx_decode_frame, - .capabilities = CODEC_CAP_DELAY, + .capabilities = CODEC_CAP_DELAY | CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("8SVX exponential"), }; @@ -231,6 +241,6 @@ AVCodec ff_pcm_s8_planar_decoder = { .init = eightsvx_decode_init, .close = eightsvx_decode_close, .decode = eightsvx_decode_frame, - .capabilities = CODEC_CAP_DELAY, + .capabilities = CODEC_CAP_DELAY | CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("PCM signed 8-bit planar"), }; |