diff options
| -rw-r--r-- | libavcodec/v410dec.c | 72 |
1 files changed, 51 insertions, 21 deletions
diff --git a/libavcodec/v410dec.c b/libavcodec/v410dec.c index 48fab68273..7ad5eb8fb5 100644 --- a/libavcodec/v410dec.c +++ b/libavcodec/v410dec.c @@ -24,6 +24,13 @@ #include "libavutil/intreadwrite.h" #include "avcodec.h" #include "internal.h" +#include "thread.h" + +typedef struct ThreadData { + AVFrame *frame; + uint8_t *buf; + int stride; +} ThreadData; static av_cold int v410_decode_init(AVCodecContext *avctx) { @@ -42,31 +49,24 @@ static av_cold int v410_decode_init(AVCodecContext *avctx) return 0; } -static int v410_decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) +static int v410_decode_slice(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) { - AVFrame *pic = data; - uint8_t *src = avpkt->data; + ThreadData *td = arg; + AVFrame *pic = td->frame; + int stride = td->stride; + int thread_count = av_clip(avctx->thread_count, 1, avctx->height/4); + int slice_start = (avctx->height * jobnr) / thread_count; + int slice_end = (avctx->height * (jobnr+1)) / thread_count; + const uint8_t *src = td->buf + stride * slice_start; uint16_t *y, *u, *v; uint32_t val; - int i, j, ret; - - if (avpkt->size < 4 * avctx->height * avctx->width) { - av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n"); - return AVERROR(EINVAL); - } - - if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) - return ret; + int i, j; - pic->key_frame = 1; - pic->pict_type = AV_PICTURE_TYPE_I; + y = (uint16_t*)pic->data[0] + slice_start * (pic->linesize[0] >> 1); + u = (uint16_t*)pic->data[1] + slice_start * (pic->linesize[1] >> 1); + v = (uint16_t*)pic->data[2] + slice_start * (pic->linesize[2] >> 1); - y = (uint16_t *)pic->data[0]; - u = (uint16_t *)pic->data[1]; - v = (uint16_t *)pic->data[2]; - - for (i = 0; i < avctx->height; i++) { + for (i = slice_start; i < slice_end; i++) { for (j = 0; j < avctx->width; j++) { val = AV_RL32(src); @@ -82,6 +82,35 @@ static int v410_decode_frame(AVCodecContext *avctx, void *data, v += pic->linesize[2] >> 1; } + return 0; +} + +static int v410_decode_frame(AVCodecContext *avctx, void *data, + int *got_frame, AVPacket *avpkt) +{ + ThreadData td; + ThreadFrame frame = { .f = data }; + AVFrame *pic = data; + uint8_t *src = avpkt->data; + int ret; + int thread_count = av_clip(avctx->thread_count, 1, avctx->height/4); + + td.stride = avctx->width * 4; + if (avpkt->size < 4 * avctx->height * avctx->width) { + av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n"); + return AVERROR(EINVAL); + } + + if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) + return ret; + + pic->key_frame = 1; + pic->pict_type = AV_PICTURE_TYPE_I; + + td.buf = src; + td.frame = pic; + avctx->execute2(avctx, v410_decode_slice, &td, NULL, thread_count); + *got_frame = 1; return avpkt->size; @@ -94,5 +123,6 @@ AVCodec ff_v410_decoder = { .id = AV_CODEC_ID_V410, .init = v410_decode_init, .decode = v410_decode_frame, - .capabilities = AV_CODEC_CAP_DR1, + .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS | + AV_CODEC_CAP_FRAME_THREADS }; |