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ffmpeg.wasm-core
Commit 0b82fdcc authored by Michael Niedermayer's avatar Michael Niedermayer
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Merge commit '037fea38' 

* commit '037fea38':
  flashsv: K&R formatting cosmetics

Conflicts:
	libavcodec/flashsv.c
Merged-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parents 7146eacf 037fea38
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Showing with 30 additions and 27 deletions
libavcodec/flashsv.c
View file @ 0b82fdcc
......@@ -69,14 +69,13 @@ typedef struct FlashSVContext {
int diff_start, diff_height;
} FlashSVContext;
static int decode_hybrid(const uint8_t *sptr, uint8_t *dptr, int dx, int dy,
int h, int w, int stride, const uint32_t *pal)
{
int x, y;
const uint8_t *orig_src = sptr;
for (y = dx+h; y > dx; y--) {
for (y = dx + h; y > dx; y--) {
uint8_t *dst = dptr + (y * stride) + dy * 3;
for (x = 0; x < w; x++) {
if (*sptr & 0x80) {
......@@ -120,7 +119,6 @@ static av_cold int flashsv_decode_init(AVCodecContext *avctx)
return 0;
}
static int flashsv2_prime(FlashSVContext *s, uint8_t *src, int size)
{
z_stream zs;
......@@ -198,8 +196,8 @@ static int flashsv_decode_block(AVCodecContext *avctx, AVPacket *avpkt,
}
if (s->is_keyframe) {
s->blocks[blk_idx].pos = s->keyframedata + (get_bits_count(gb) / 8);
s->blocks[blk_idx].size = block_size;
s->blocks[blk_idx].pos = s->keyframedata + (get_bits_count(gb) / 8);
s->blocks[blk_idx].size = block_size;
}
y_pos += s->diff_start;
......@@ -244,8 +242,8 @@ static int calc_deflate_block_size(int tmpblock_size)
static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
int buf_size = avpkt->size;
FlashSVContext *s = avctx->priv_data;
int buf_size = avpkt->size;
FlashSVContext *s = avctx->priv_data;
int h_blocks, v_blocks, h_part, v_part, i, j, ret;
GetBitContext gb;
int last_blockwidth = s->block_width;
......@@ -260,10 +258,10 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
init_get_bits(&gb, avpkt->data, buf_size * 8);
/* start to parse the bitstream */
s->block_width = 16 * (get_bits(&gb, 4) + 1);
s->image_width = get_bits(&gb, 12);
s->block_height = 16 * (get_bits(&gb, 4) + 1);
s->image_height = get_bits(&gb, 12);
s->block_width = 16 * (get_bits(&gb, 4) + 1);
s->image_width = get_bits(&gb, 12);
s->block_height = 16 * (get_bits(&gb, 4) + 1);
s->image_height = get_bits(&gb, 12);
if ( last_blockwidth != s->block_width
|| last_blockheight!= s->block_height)
......@@ -294,18 +292,22 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
s->tmpblock = av_realloc(s->tmpblock, tmpblock_size);
if (!s->tmpblock) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
av_log(avctx, AV_LOG_ERROR,
"Cannot allocate decompression buffer.\n");
return AVERROR(ENOMEM);
}
if (s->ver == 2) {
s->deflate_block_size = calc_deflate_block_size(tmpblock_size);
if (s->deflate_block_size <= 0) {
av_log(avctx, AV_LOG_ERROR, "Can't determine deflate buffer size.\n");
av_log(avctx, AV_LOG_ERROR,
"Cannot determine deflate buffer size.\n");
return -1;
}
s->deflate_block = av_realloc(s->deflate_block, s->deflate_block_size);
s->deflate_block = av_realloc(s->deflate_block,
s->deflate_block_size);
if (!s->deflate_block) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate deflate buffer.\n");
av_log(avctx, AV_LOG_ERROR,
"Cannot allocate deflate buffer.\n");
return AVERROR(ENOMEM);
}
}
......@@ -333,8 +335,8 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
memcpy(s->keyframedata, avpkt->data, avpkt->size);
}
if(s->ver == 2 && !s->blocks)
s->blocks = av_mallocz((v_blocks + !!v_part) * (h_blocks + !!h_part)
* sizeof(s->blocks[0]));
s->blocks = av_mallocz((v_blocks + !!v_part) * (h_blocks + !!h_part) *
sizeof(s->blocks[0]));
av_dlog(avctx, "image: %dx%d block: %dx%d num: %dx%d part: %dx%d\n",
s->image_width, s->image_height, s->block_width, s->block_height,
......@@ -378,14 +380,15 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
if (s->color_depth != 0 && s->color_depth != 2) {
av_log(avctx, AV_LOG_ERROR,
"%dx%d invalid color depth %d\n", i, j, s->color_depth);
"%dx%d invalid color depth %d\n",
i, j, s->color_depth);
return AVERROR_INVALIDDATA;
}
if (has_diff) {
if (!s->keyframe) {
av_log(avctx, AV_LOG_ERROR,
"inter frame without keyframe\n");
"Inter frame without keyframe\n");
return AVERROR_INVALIDDATA;
}
s->diff_start = get_bits(&gb, 8);
......@@ -408,14 +411,15 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
if (s->zlibprime_curr) {
int col = get_bits(&gb, 8);
int row = get_bits(&gb, 8);
av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_curr %dx%d\n", i, j, col, row);
av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_curr %dx%d\n",
i, j, col, row);
size -= 2;
avpriv_request_sample(avctx, "zlibprime_curr");
return AVERROR_PATCHWELCOME;
}
if (!s->blocks && (s->zlibprime_curr || s->zlibprime_prev)) {
av_log(avctx, AV_LOG_ERROR, "no data available for zlib "
"priming\n");
av_log(avctx, AV_LOG_ERROR,
"no data available for zlib priming\n");
return AVERROR_INVALIDDATA;
}
size--; // account for flags byte
......@@ -451,7 +455,8 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR(ENOMEM);
}
}
memcpy(s->keyframe, s->frame.data[0], s->frame.linesize[0] * avctx->height);
memcpy(s->keyframe, s->frame.data[0],
s->frame.linesize[0] * avctx->height);
}
if ((ret = av_frame_ref(data, &s->frame)) < 0)
......@@ -467,7 +472,6 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
return buf_size;
}
static av_cold int flashsv_decode_end(AVCodecContext *avctx)
{
FlashSVContext *s = avctx->priv_data;
......@@ -481,7 +485,6 @@ static av_cold int flashsv_decode_end(AVCodecContext *avctx)
return 0;
}
#if CONFIG_FLASHSV_DECODER
AVCodec ff_flashsv_decoder = {
.name = "flashsv",
......@@ -493,7 +496,7 @@ AVCodec ff_flashsv_decoder = {
.close = flashsv_decode_end,
.decode = flashsv_decode_frame,
.capabilities = CODEC_CAP_DR1,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
};
#endif /* CONFIG_FLASHSV_DECODER */
......@@ -556,6 +559,6 @@ AVCodec ff_flashsv2_decoder = {
.close = flashsv2_decode_end,
.decode = flashsv_decode_frame,
.capabilities = CODEC_CAP_DR1,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
};
#endif /* CONFIG_FLASHSV2_DECODER */
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