X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmsvideo1.c;h=7fd863354ee3c5c954a39cc32666130704682ac4;hb=36779a84051eae6744cc936d91b1d428143665ba;hp=a89ec6ac65b5ea34ffaa461b84251356a98e0e07;hpb=2d8591c27e2dc582a7020e2580e16278dbfbddff;p=ffmpeg diff --git a/libavcodec/msvideo1.c b/libavcodec/msvideo1.c index a89ec6ac65b..7fd863354ee 100644 --- a/libavcodec/msvideo1.c +++ b/libavcodec/msvideo1.c @@ -31,8 +31,10 @@ #include #include +#include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #include "avcodec.h" +#include "internal.h" #define PALETTE_COUNT 256 #define CHECK_STREAM_PTR(n) \ @@ -45,7 +47,7 @@ typedef struct Msvideo1Context { AVCodecContext *avctx; - AVFrame frame; + AVFrame *frame; const unsigned char *buf; int size; @@ -64,13 +66,15 @@ static av_cold int msvideo1_decode_init(AVCodecContext *avctx) /* figure out the colorspace based on the presence of a palette */ if (s->avctx->bits_per_coded_sample == 8) { s->mode_8bit = 1; - avctx->pix_fmt = PIX_FMT_PAL8; + avctx->pix_fmt = AV_PIX_FMT_PAL8; } else { s->mode_8bit = 0; - avctx->pix_fmt = PIX_FMT_RGB555; + avctx->pix_fmt = AV_PIX_FMT_RGB555; } - s->frame.data[0] = NULL; + s->frame = av_frame_alloc(); + if (!s->frame) + return AVERROR(ENOMEM); return 0; } @@ -91,8 +95,8 @@ static void msvideo1_decode_8bit(Msvideo1Context *s) unsigned short flags; int skip_blocks; unsigned char colors[8]; - unsigned char *pixels = s->frame.data[0]; - int stride = s->frame.linesize[0]; + unsigned char *pixels = s->frame->data[0]; + int stride = s->frame->linesize[0]; stream_ptr = 0; skip_blocks = 0; @@ -171,8 +175,8 @@ static void msvideo1_decode_8bit(Msvideo1Context *s) } /* make the palette available on the way out */ - if (s->avctx->pix_fmt == PIX_FMT_PAL8) - memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE); + if (s->avctx->pix_fmt == AV_PIX_FMT_PAL8) + memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE); } static void msvideo1_decode_16bit(Msvideo1Context *s) @@ -191,8 +195,8 @@ static void msvideo1_decode_16bit(Msvideo1Context *s) unsigned short flags; int skip_blocks; unsigned short colors[8]; - unsigned short *pixels = (unsigned short *)s->frame.data[0]; - int stride = s->frame.linesize[0] / 2; + unsigned short *pixels = (unsigned short *)s->frame->data[0]; + int stride = s->frame->linesize[0] / 2; stream_ptr = 0; skip_blocks = 0; @@ -285,21 +289,20 @@ static void msvideo1_decode_16bit(Msvideo1Context *s) } static int msvideo1_decode_frame(AVCodecContext *avctx, - void *data, int *data_size, + void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; Msvideo1Context *s = avctx->priv_data; + int ret; s->buf = buf; s->size = buf_size; - s->frame.reference = 1; - s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; - if (avctx->reget_buffer(avctx, &s->frame)) { + if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) { av_log(s->avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); - return -1; + return ret; } if (s->mode_8bit) { @@ -307,7 +310,7 @@ static int msvideo1_decode_frame(AVCodecContext *avctx, if (pal) { memcpy(s->pal, pal, AVPALETTE_SIZE); - s->frame.palette_has_changed = 1; + s->frame->palette_has_changed = 1; } } @@ -316,8 +319,10 @@ static int msvideo1_decode_frame(AVCodecContext *avctx, else msvideo1_decode_16bit(s); - *data_size = sizeof(AVFrame); - *(AVFrame*)data = s->frame; + if ((ret = av_frame_ref(data, s->frame)) < 0) + return ret; + + *got_frame = 1; /* report that the buffer was completely consumed */ return buf_size; @@ -327,21 +332,19 @@ static av_cold int msvideo1_decode_end(AVCodecContext *avctx) { Msvideo1Context *s = avctx->priv_data; - if (s->frame.data[0]) - avctx->release_buffer(avctx, &s->frame); + av_frame_free(&s->frame); return 0; } AVCodec ff_msvideo1_decoder = { - "msvideo1", - AVMEDIA_TYPE_VIDEO, - CODEC_ID_MSVIDEO1, - sizeof(Msvideo1Context), - msvideo1_decode_init, - NULL, - msvideo1_decode_end, - msvideo1_decode_frame, - CODEC_CAP_DR1, - .long_name= NULL_IF_CONFIG_SMALL("Microsoft Video 1"), + .name = "msvideo1", + .long_name = NULL_IF_CONFIG_SMALL("Microsoft Video 1"), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_MSVIDEO1, + .priv_data_size = sizeof(Msvideo1Context), + .init = msvideo1_decode_init, + .close = msvideo1_decode_end, + .decode = msvideo1_decode_frame, + .capabilities = CODEC_CAP_DR1, };