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@@ -71,7 +71,7 @@ |
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typedef struct FlicDecodeContext { |
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typedef struct FlicDecodeContext { |
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AVCodecContext *avctx; |
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AVCodecContext *avctx; |
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AVFrame frame; |
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AVFrame *frame; |
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unsigned int palette[256]; |
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unsigned int palette[256]; |
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int new_palette; |
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int new_palette; |
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@@ -141,7 +141,10 @@ static av_cold int flic_decode_init(AVCodecContext *avctx) |
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return AVERROR_INVALIDDATA; |
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return AVERROR_INVALIDDATA; |
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} |
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} |
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avcodec_get_frame_defaults(&s->frame); |
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s->frame = av_frame_alloc(); |
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if (!s->frame) |
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return AVERROR(ENOMEM); |
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s->new_palette = 0; |
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s->new_palette = 0; |
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return 0; |
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return 0; |
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@@ -185,11 +188,11 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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bytestream2_init(&g2, buf, buf_size); |
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bytestream2_init(&g2, buf, buf_size); |
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if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) |
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if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) |
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return ret; |
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return ret; |
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pixels = s->frame.data[0]; |
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pixel_limit = s->avctx->height * s->frame.linesize[0]; |
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pixels = s->frame->data[0]; |
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pixel_limit = s->avctx->height * s->frame->linesize[0]; |
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if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + FF_INPUT_BUFFER_PADDING_SIZE)) |
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if (buf_size < 16 || buf_size > INT_MAX - (3 * 256 + FF_INPUT_BUFFER_PADDING_SIZE)) |
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return AVERROR_INVALIDDATA; |
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return AVERROR_INVALIDDATA; |
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frame_size = bytestream2_get_le32(&g2); |
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frame_size = bytestream2_get_le32(&g2); |
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@@ -273,12 +276,12 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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if ((line_packets & 0xC000) == 0xC000) { |
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if ((line_packets & 0xC000) == 0xC000) { |
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// line skip opcode |
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// line skip opcode |
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line_packets = -line_packets; |
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line_packets = -line_packets; |
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y_ptr += line_packets * s->frame.linesize[0]; |
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y_ptr += line_packets * s->frame->linesize[0]; |
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} else if ((line_packets & 0xC000) == 0x4000) { |
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} else if ((line_packets & 0xC000) == 0x4000) { |
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av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets); |
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av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets); |
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} else if ((line_packets & 0xC000) == 0x8000) { |
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} else if ((line_packets & 0xC000) == 0x8000) { |
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// "last byte" opcode |
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// "last byte" opcode |
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pixel_ptr= y_ptr + s->frame.linesize[0] - 1; |
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pixel_ptr= y_ptr + s->frame->linesize[0] - 1; |
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CHECK_PIXEL_PTR(0); |
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CHECK_PIXEL_PTR(0); |
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pixels[pixel_ptr] = line_packets & 0xff; |
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pixels[pixel_ptr] = line_packets & 0xff; |
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} else { |
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} else { |
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@@ -313,7 +316,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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} |
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} |
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} |
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} |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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} |
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} |
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} |
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} |
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break; |
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break; |
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@@ -322,7 +325,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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/* line compressed */ |
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/* line compressed */ |
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starting_line = bytestream2_get_le16(&g2); |
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starting_line = bytestream2_get_le16(&g2); |
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y_ptr = 0; |
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y_ptr = 0; |
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y_ptr += starting_line * s->frame.linesize[0]; |
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y_ptr += starting_line * s->frame->linesize[0]; |
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compressed_lines = bytestream2_get_le16(&g2); |
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compressed_lines = bytestream2_get_le16(&g2); |
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while (compressed_lines > 0) { |
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while (compressed_lines > 0) { |
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@@ -359,7 +362,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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} |
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} |
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} |
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} |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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compressed_lines--; |
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compressed_lines--; |
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} |
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} |
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break; |
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break; |
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@@ -367,7 +370,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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case FLI_BLACK: |
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case FLI_BLACK: |
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/* set the whole frame to color 0 (which is usually black) */ |
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/* set the whole frame to color 0 (which is usually black) */ |
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memset(pixels, 0, |
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memset(pixels, 0, |
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s->frame.linesize[0] * s->avctx->height); |
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s->frame->linesize[0] * s->avctx->height); |
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break; |
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break; |
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case FLI_BRUN: |
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case FLI_BRUN: |
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@@ -414,7 +417,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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} |
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} |
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} |
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} |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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} |
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} |
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break; |
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break; |
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@@ -425,8 +428,8 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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"has incorrect size, skipping chunk\n", chunk_size - 6); |
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"has incorrect size, skipping chunk\n", chunk_size - 6); |
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bytestream2_skip(&g2, chunk_size - 6); |
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bytestream2_skip(&g2, chunk_size - 6); |
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} else { |
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} else { |
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for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height; |
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y_ptr += s->frame.linesize[0]) { |
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for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height; |
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y_ptr += s->frame->linesize[0]) { |
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bytestream2_get_buffer(&g2, &pixels[y_ptr], |
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bytestream2_get_buffer(&g2, &pixels[y_ptr], |
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s->avctx->width); |
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s->avctx->width); |
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} |
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} |
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@@ -457,13 +460,13 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, |
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buf_size - bytestream2_get_bytes_left(&g2)); |
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buf_size - bytestream2_get_bytes_left(&g2)); |
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/* make the palette available on the way out */ |
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/* make the palette available on the way out */ |
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memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE); |
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memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE); |
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if (s->new_palette) { |
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if (s->new_palette) { |
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s->frame.palette_has_changed = 1; |
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s->frame->palette_has_changed = 1; |
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s->new_palette = 0; |
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s->new_palette = 0; |
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} |
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} |
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if ((ret = av_frame_ref(data, &s->frame)) < 0) |
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if ((ret = av_frame_ref(data, s->frame)) < 0) |
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return ret; |
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return ret; |
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*got_frame = 1; |
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*got_frame = 1; |
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@@ -504,11 +507,11 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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bytestream2_init(&g2, buf, buf_size); |
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bytestream2_init(&g2, buf, buf_size); |
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if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) |
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if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) |
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return ret; |
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return ret; |
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pixels = s->frame.data[0]; |
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pixel_limit = s->avctx->height * s->frame.linesize[0]; |
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pixels = s->frame->data[0]; |
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pixel_limit = s->avctx->height * s->frame->linesize[0]; |
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frame_size = bytestream2_get_le32(&g2); |
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frame_size = bytestream2_get_le32(&g2); |
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bytestream2_skip(&g2, 2); /* skip the magic number */ |
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bytestream2_skip(&g2, 2); /* skip the magic number */ |
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@@ -556,7 +559,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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line_packets = bytestream2_get_le16(&g2); |
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line_packets = bytestream2_get_le16(&g2); |
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if (line_packets < 0) { |
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if (line_packets < 0) { |
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line_packets = -line_packets; |
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line_packets = -line_packets; |
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y_ptr += line_packets * s->frame.linesize[0]; |
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y_ptr += line_packets * s->frame->linesize[0]; |
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} else { |
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} else { |
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compressed_lines--; |
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compressed_lines--; |
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pixel_ptr = y_ptr; |
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pixel_ptr = y_ptr; |
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@@ -589,7 +592,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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} |
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} |
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} |
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} |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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} |
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} |
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} |
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} |
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break; |
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break; |
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@@ -602,7 +605,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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case FLI_BLACK: |
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case FLI_BLACK: |
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/* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */ |
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/* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */ |
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memset(pixels, 0x0000, |
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memset(pixels, 0x0000, |
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s->frame.linesize[0] * s->avctx->height); |
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s->frame->linesize[0] * s->avctx->height); |
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break; |
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break; |
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case FLI_BRUN: |
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case FLI_BRUN: |
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@@ -657,7 +660,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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pixel_ptr += 2; |
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pixel_ptr += 2; |
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} |
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} |
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#endif |
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#endif |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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} |
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} |
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break; |
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break; |
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@@ -701,7 +704,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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} |
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} |
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} |
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} |
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y_ptr += s->frame.linesize[0]; |
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y_ptr += s->frame->linesize[0]; |
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} |
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} |
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break; |
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break; |
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@@ -714,8 +717,8 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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bytestream2_skip(&g2, chunk_size - 6); |
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bytestream2_skip(&g2, chunk_size - 6); |
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} else { |
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} else { |
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for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height; |
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y_ptr += s->frame.linesize[0]) { |
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for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height; |
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y_ptr += s->frame->linesize[0]) { |
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pixel_countdown = s->avctx->width; |
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pixel_countdown = s->avctx->width; |
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pixel_ptr = 0; |
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pixel_ptr = 0; |
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@@ -748,7 +751,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, |
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av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \ |
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av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \ |
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"and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2)); |
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"and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2)); |
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if ((ret = av_frame_ref(data, &s->frame)) < 0) |
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if ((ret = av_frame_ref(data, s->frame)) < 0) |
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return ret; |
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return ret; |
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*got_frame = 1; |
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*got_frame = 1; |
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@@ -797,7 +800,7 @@ static av_cold int flic_decode_end(AVCodecContext *avctx) |
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{ |
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{ |
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FlicDecodeContext *s = avctx->priv_data; |
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FlicDecodeContext *s = avctx->priv_data; |
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av_frame_unref(&s->frame); |
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av_frame_free(&s->frame); |
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return 0; |
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return 0; |
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} |
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} |
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