diff options
Diffstat (limited to 'libavcodec/8svx.c')
-rw-r--r-- | libavcodec/8svx.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/libavcodec/8svx.c b/libavcodec/8svx.c index efe554adc2..b4fc899a22 100644 --- a/libavcodec/8svx.c +++ b/libavcodec/8svx.c @@ -41,6 +41,7 @@ /** decoder context */ typedef struct EightSvxContext { + AVFrame frame; const int8_t *table; /* buffer used to store the whole audio decoded/interleaved chunk, @@ -99,11 +100,13 @@ static int delta_decode(int8_t *dst, const uint8_t *src, int src_size, return dst-dst0; } -static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, int *data_size, - AVPacket *avpkt) +/** decode a frame */ +static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *avpkt) { EightSvxContext *esc = avctx->priv_data; - int out_data_size, n; + int n, out_data_size, ret; + uint8_t *out_date; uint8_t *src, *dst; /* decode and interleave the first packet */ @@ -145,19 +148,22 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data, int *data_si memcpy(esc->samples, deinterleaved_samples, esc->samples_size); } - /* return single packed with fixed size */ - out_data_size = FFMIN(MAX_FRAME_SIZE, esc->samples_size - esc->samples_idx); - 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 = (FFMIN(MAX_FRAME_SIZE, esc->samples_size - esc->samples_idx) +avctx->channels-1) / avctx->channels; + if ((ret = avctx->get_buffer(avctx, &esc->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; } - *data_size = out_data_size; - dst = data; + *got_frame_ptr = 1; + *(AVFrame *)data = esc->frame; + + dst = esc->frame.data[0]; src = esc->samples + esc->samples_idx; + out_data_size = esc->frame.nb_samples * avctx->channels; for (n = out_data_size; n > 0; n--) *dst++ = *src++ + 128; - esc->samples_idx += *data_size; + esc->samples_idx += out_data_size; return avctx->codec->id == CODEC_ID_8SVX_FIB || avctx->codec->id == CODEC_ID_8SVX_EXP ? (avctx->frame_number == 0)*2 + out_data_size / 2 : @@ -184,6 +190,9 @@ static av_cold int eightsvx_decode_init(AVCodecContext *avctx) } avctx->sample_fmt = AV_SAMPLE_FMT_U8; + avcodec_get_frame_defaults(&esc->frame); + avctx->coded_frame = &esc->frame; + return 0; } @@ -206,6 +215,7 @@ AVCodec ff_eightsvx_fib_decoder = { .init = eightsvx_decode_init, .decode = eightsvx_decode_frame, .close = eightsvx_decode_close, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("8SVX fibonacci"), }; @@ -217,6 +227,7 @@ AVCodec ff_eightsvx_exp_decoder = { .init = eightsvx_decode_init, .decode = eightsvx_decode_frame, .close = eightsvx_decode_close, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("8SVX exponential"), }; @@ -228,5 +239,6 @@ AVCodec ff_pcm_s8_planar_decoder = { .init = eightsvx_decode_init, .close = eightsvx_decode_close, .decode = eightsvx_decode_frame, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("PCM signed 8-bit planar"), }; |