X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fflicvideo.c;h=3a595435b00662f0db0f83fb8d299d50120ba09e;hb=05f66706d182eb0c36af54d72614bf4c33e957a9;hp=08c3ef32a8865805e88f389267ce859a74ed789d;hpb=ddfe1246d98f70cdce368a2176196ba26ed7bf2d;p=ffmpeg diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c index 08c3ef32a88..3a595435b00 100644 --- a/libavcodec/flicvideo.c +++ b/libavcodec/flicvideo.c @@ -42,6 +42,7 @@ #include "libavutil/intreadwrite.h" #include "avcodec.h" #include "bytestream.h" +#include "internal.h" #include "mathops.h" #define FLI_256_COLOR 4 @@ -70,7 +71,7 @@ typedef struct FlicDecodeContext { AVCodecContext *avctx; - AVFrame frame; + AVFrame *frame; unsigned int palette[256]; int new_palette; @@ -122,7 +123,10 @@ static av_cold int flic_decode_init(AVCodecContext *avctx) return AVERROR_INVALIDDATA; } - s->frame.data[0] = NULL; + s->frame = av_frame_alloc(); + if (!s->frame) + return AVERROR(ENOMEM); + s->new_palette = 0; return 0; @@ -167,15 +171,13 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, bytestream2_init(&g2, buf, buf_size); - s->frame.reference = 1; - s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; - if ((ret = avctx->reget_buffer(avctx, &s->frame)) < 0) { + if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); return ret; } - pixels = s->frame.data[0]; - pixel_limit = s->avctx->height * s->frame.linesize[0]; + pixels = s->frame->data[0]; + pixel_limit = s->avctx->height * s->frame->linesize[0]; frame_size = bytestream2_get_le32(&g2); bytestream2_skip(&g2, 2); /* skip the magic number */ num_chunks = bytestream2_get_le16(&g2); @@ -249,12 +251,12 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, if ((line_packets & 0xC000) == 0xC000) { // line skip opcode line_packets = -line_packets; - y_ptr += line_packets * s->frame.linesize[0]; + y_ptr += line_packets * s->frame->linesize[0]; } else if ((line_packets & 0xC000) == 0x4000) { av_log(avctx, AV_LOG_ERROR, "Undefined opcode (%x) in DELTA_FLI\n", line_packets); } else if ((line_packets & 0xC000) == 0x8000) { // "last byte" opcode - pixel_ptr= y_ptr + s->frame.linesize[0] - 1; + pixel_ptr= y_ptr + s->frame->linesize[0] - 1; CHECK_PIXEL_PTR(0); pixels[pixel_ptr] = line_packets & 0xff; } else { @@ -285,7 +287,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, } } - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; } } break; @@ -294,7 +296,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, /* line compressed */ starting_line = bytestream2_get_le16(&g2); y_ptr = 0; - y_ptr += starting_line * s->frame.linesize[0]; + y_ptr += starting_line * s->frame->linesize[0]; compressed_lines = bytestream2_get_le16(&g2); while (compressed_lines > 0) { @@ -325,7 +327,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, } } - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; compressed_lines--; } break; @@ -333,7 +335,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, case FLI_BLACK: /* set the whole frame to color 0 (which is usually black) */ memset(pixels, 0, - s->frame.linesize[0] * s->avctx->height); + s->frame->linesize[0] * s->avctx->height); break; case FLI_BRUN: @@ -376,7 +378,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, } } - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; } break; @@ -387,8 +389,8 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, "bigger than image, skipping chunk\n", chunk_size - 6); bytestream2_skip(&g2, chunk_size - 6); } else { - for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height; - y_ptr += s->frame.linesize[0]) { + for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height; + y_ptr += s->frame->linesize[0]) { bytestream2_get_buffer(&g2, &pixels[y_ptr], s->avctx->width); } @@ -418,14 +420,16 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx, buf_size - bytestream2_get_bytes_left(&g2)); /* make the palette available on the way out */ - memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE); + memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE); if (s->new_palette) { - s->frame.palette_has_changed = 1; + s->frame->palette_has_changed = 1; s->new_palette = 0; } + if ((ret = av_frame_ref(data, s->frame)) < 0) + return ret; + *got_frame = 1; - *(AVFrame*)data = s->frame; return buf_size; } @@ -463,15 +467,13 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, bytestream2_init(&g2, buf, buf_size); - s->frame.reference = 1; - s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; - if ((ret = avctx->reget_buffer(avctx, &s->frame)) < 0) { + if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); return ret; } - pixels = s->frame.data[0]; - pixel_limit = s->avctx->height * s->frame.linesize[0]; + pixels = s->frame->data[0]; + pixel_limit = s->avctx->height * s->frame->linesize[0]; frame_size = bytestream2_get_le32(&g2); bytestream2_skip(&g2, 2); /* skip the magic number */ @@ -491,7 +493,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, /* For some reason, it seems that non-palettized flics do * include one of these chunks in their first frame. * Why I do not know, it seems rather extraneous. */ - av_dlog(avctx, + ff_dlog(avctx, "Unexpected Palette chunk %d in non-palettized FLC\n", chunk_type); bytestream2_skip(&g2, chunk_size - 6); @@ -505,7 +507,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, line_packets = bytestream2_get_le16(&g2); if (line_packets < 0) { line_packets = -line_packets; - y_ptr += line_packets * s->frame.linesize[0]; + y_ptr += line_packets * s->frame->linesize[0]; } else { compressed_lines--; pixel_ptr = y_ptr; @@ -534,20 +536,20 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, } } - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; } } break; case FLI_LC: - av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-paletised FLC\n"); + av_log(avctx, AV_LOG_ERROR, "Unexpected FLI_LC chunk in non-palettized FLC\n"); bytestream2_skip(&g2, chunk_size - 6); break; case FLI_BLACK: /* set the whole frame to 0x0000 which is black in both 15Bpp and 16Bpp modes. */ memset(pixels, 0x0000, - s->frame.linesize[0] * s->avctx->height); + s->frame->linesize[0] * s->avctx->height); break; case FLI_BRUN: @@ -598,7 +600,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, pixel_ptr += 2; } #endif - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; } break; @@ -638,7 +640,7 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, } } - y_ptr += s->frame.linesize[0]; + y_ptr += s->frame->linesize[0]; } break; @@ -651,8 +653,8 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, bytestream2_skip(&g2, chunk_size - 6); } else { - for (y_ptr = 0; y_ptr < s->frame.linesize[0] * s->avctx->height; - y_ptr += s->frame.linesize[0]) { + for (y_ptr = 0; y_ptr < s->frame->linesize[0] * s->avctx->height; + y_ptr += s->frame->linesize[0]) { pixel_countdown = s->avctx->width; pixel_ptr = 0; @@ -685,9 +687,10 @@ static int flic_decode_frame_15_16BPP(AVCodecContext *avctx, av_log(avctx, AV_LOG_ERROR, "Processed FLI chunk where chunk size = %d " \ "and final chunk ptr = %d\n", buf_size, bytestream2_tell(&g2)); + if ((ret = av_frame_ref(data, s->frame)) < 0) + return ret; *got_frame = 1; - *(AVFrame*)data = s->frame; return buf_size; } @@ -733,20 +736,19 @@ static av_cold int flic_decode_end(AVCodecContext *avctx) { FlicDecodeContext *s = avctx->priv_data; - if (s->frame.data[0]) - avctx->release_buffer(avctx, &s->frame); + av_frame_free(&s->frame); return 0; } AVCodec ff_flic_decoder = { .name = "flic", + .long_name = NULL_IF_CONFIG_SMALL("Autodesk Animator Flic video"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_FLIC, .priv_data_size = sizeof(FlicDecodeContext), .init = flic_decode_init, .close = flic_decode_end, .decode = flic_decode_frame, - .capabilities = CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("Autodesk Animator Flic video"), + .capabilities = AV_CODEC_CAP_DR1, };