diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-07 01:00:04 +0100 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-07 01:01:13 +0100 |
commit | d30660306ceb070a3d74bca3b4a9f99a09b685dc (patch) | |
tree | 1b9e692b389a890a3f61be07b388e31e6f64cad3 /libavcodec/fraps.c | |
parent | 07f22d0b49332d9616ce5ff94679da5a01c19b0d (diff) | |
parent | 3c6e5a840c45fd3b832e86881602a72e47d46f19 (diff) | |
download | ffmpeg-d30660306ceb070a3d74bca3b4a9f99a09b685dc.tar.gz |
Merge commit '3c6e5a840c45fd3b832e86881602a72e47d46f19'
* commit '3c6e5a840c45fd3b832e86881602a72e47d46f19':
rl2: use fixed-width integer types where appropriate
rl2: return meaningful error codes.
cljr: return a meaningful error code.
fraps: cosmetics, reformat
Conflicts:
libavcodec/fraps.c
libavcodec/rl2.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/fraps.c')
-rw-r--r-- | libavcodec/fraps.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c index 6cdb0d99a3..cc2f52b609 100644 --- a/libavcodec/fraps.c +++ b/libavcodec/fraps.c @@ -43,7 +43,7 @@ /** * local variable storage */ -typedef struct FrapsContext{ +typedef struct FrapsContext { AVCodecContext *avctx; AVFrame frame; uint8_t *tmpbuf; @@ -64,7 +64,7 @@ static av_cold int decode_init(AVCodecContext *avctx) avcodec_get_frame_defaults(&s->frame); avctx->coded_frame = &s->frame; - s->avctx = avctx; + s->avctx = avctx; s->tmpbuf = NULL; ff_dsputil_init(&s->dsp, avctx); @@ -76,7 +76,8 @@ static av_cold int decode_init(AVCodecContext *avctx) * Comparator - our nodes should ascend by count * but with preserved symbol order */ -static int huff_cmp(const void *va, const void *vb){ +static int huff_cmp(const void *va, const void *vb) +{ const Node *a = va, *b = vb; return (a->count - b->count)*256 + a->sym - b->sym; } @@ -93,7 +94,7 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w, VLC vlc; Node nodes[512]; - for(i = 0; i < 256; i++) + for (i = 0; i < 256; i++) nodes[i].count = bytestream_get_le32(&src); size -= 1024; if ((ret = ff_huff_build_tree(s->avctx, &vlc, 256, nodes, huff_cmp, @@ -105,14 +106,16 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w, s->dsp.bswap_buf((uint32_t *)s->tmpbuf, (const uint32_t *)src, size >> 2); init_get_bits(&gb, s->tmpbuf, size * 8); - for(j = 0; j < h; j++){ - for(i = 0; i < w*step; i += step){ + for (j = 0; j < h; j++) { + for (i = 0; i < w*step; i += step) { dst[i] = get_vlc2(&gb, vlc.table, 9, 3); /* lines are stored as deltas between previous lines * and we need to add 0x80 to the first lines of chroma planes */ - if(j) dst[i] += dst[i - stride]; - else if(Uoff) dst[i] += 0x80; + if (j) + dst[i] += dst[i - stride]; + else if (Uoff) + dst[i] += 0x80; if (get_bits_left(&gb) < 0) { ff_free_vlc(&vlc); return AVERROR_INVALIDDATA; @@ -128,11 +131,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { - const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; FrapsContext * const s = avctx->priv_data; - AVFrame *frame = data; - AVFrame * const f = &s->frame; + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; + AVFrame *frame = data; + AVFrame * const f = &s->frame; uint32_t header; unsigned int version,header_size; unsigned int x, y; @@ -144,8 +147,8 @@ static int decode_frame(AVCodecContext *avctx, uint8_t *out; enum AVPixelFormat pix_fmt; - header = AV_RL32(buf); - version = header & 0xff; + header = AV_RL32(buf); + version = header & 0xff; header_size = (header & (1<<30))? 8 : 4; /* bit 30 means pad to 8 bytes */ if (version > 5) { @@ -158,7 +161,7 @@ static int decode_frame(AVCodecContext *avctx, buf += header_size; if (version < 2) { - unsigned needed_size = avctx->width*avctx->height*3; + unsigned needed_size = avctx->width * avctx->height * 3; if (version == 0) needed_size /= 2; needed_size += header_size; /* bit 31 means same as previous pic */ @@ -182,15 +185,15 @@ static int decode_frame(AVCodecContext *avctx, av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n"); return AVERROR_INVALIDDATA; } - for(i = 0; i < planes; i++) { + for (i = 0; i < planes; i++) { offs[i] = AV_RL32(buf + 4 + i * 4); - if(offs[i] >= buf_size - header_size || (i && offs[i] <= offs[i - 1] + 1024)) { + if (offs[i] >= buf_size - header_size || (i && offs[i] <= offs[i - 1] + 1024)) { av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i); return AVERROR_INVALIDDATA; } } offs[planes] = buf_size - header_size; - for(i = 0; i < planes; i++) { + for (i = 0; i < planes; i++) { av_fast_padded_malloc(&s->tmpbuf, &s->tmpbuf_size, offs[i + 1] - offs[i] - 1024); if (!s->tmpbuf) return AVERROR(ENOMEM); @@ -215,23 +218,23 @@ static int decode_frame(AVCodecContext *avctx, return ret; } - switch(version) { + switch (version) { case 0: default: /* Fraps v0 is a reordered YUV420 */ - if ( (avctx->width % 8) != 0 || (avctx->height % 2) != 0 ) { + if (((avctx->width % 8) != 0) || ((avctx->height % 2) != 0)) { av_log(avctx, AV_LOG_ERROR, "Invalid frame size %dx%d\n", avctx->width, avctx->height); return AVERROR_INVALIDDATA; } - buf32=(const uint32_t*)buf; - for(y=0; y<avctx->height/2; y++){ - luma1=(uint32_t*)&f->data[0][ y*2*f->linesize[0] ]; - luma2=(uint32_t*)&f->data[0][ (y*2+1)*f->linesize[0] ]; - cr=(uint32_t*)&f->data[1][ y*f->linesize[1] ]; - cb=(uint32_t*)&f->data[2][ y*f->linesize[2] ]; - for(x=0; x<avctx->width; x+=8){ + buf32 = (const uint32_t*)buf; + for (y = 0; y < avctx->height / 2; y++) { + luma1 = (uint32_t*)&f->data[0][ y * 2 * f->linesize[0] ]; + luma2 = (uint32_t*)&f->data[0][ (y * 2 + 1) * f->linesize[0] ]; + cr = (uint32_t*)&f->data[1][ y * f->linesize[1] ]; + cb = (uint32_t*)&f->data[2][ y * f->linesize[2] ]; + for (x = 0; x < avctx->width; x += 8) { *luma1++ = *buf32++; *luma1++ = *buf32++; *luma2++ = *buf32++; @@ -244,10 +247,11 @@ static int decode_frame(AVCodecContext *avctx, case 1: /* Fraps v1 is an upside-down BGR24 */ - for(y=0; y<avctx->height; y++) - memcpy(&f->data[0][ (avctx->height-y)*f->linesize[0] ], - &buf[y*avctx->width*3], - 3*avctx->width); + for (y=0; y<avctx->height; y++) + memcpy(&f->data[0][(avctx->height - y) * f->linesize[0]], + &buf[y * avctx->width * 3], + 3 * avctx->width); + break; @@ -257,7 +261,7 @@ static int decode_frame(AVCodecContext *avctx, * Fraps v2 is Huffman-coded YUV420 planes * Fraps v4 is virtually the same */ - for(i = 0; i < planes; i++){ + for (i = 0; i < planes; i++) { is_chroma = !!i; if ((ret = fraps2_decode_plane(s, f->data[i], f->linesize[i], avctx->width >> is_chroma, @@ -272,7 +276,7 @@ static int decode_frame(AVCodecContext *avctx, case 3: case 5: /* Virtually the same as version 4, but is for RGB24 */ - for(i = 0; i < planes; i++){ + for (i = 0; i < planes; i++) { if ((ret = fraps2_decode_plane(s, f->data[0] + i + (f->linesize[0] * (avctx->height - 1)), -f->linesize[0], avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 0, 3)) < 0) { @@ -282,7 +286,7 @@ static int decode_frame(AVCodecContext *avctx, } out = f->data[0]; // convert pseudo-YUV into real RGB - for(j = 0; j < avctx->height; j++){ + for (j = 0; j < avctx->height; j++) { uint8_t *line_end = out + 3*avctx->width; while (out < line_end) { out[0] += out[1]; |