| @@ -22,6 +22,7 @@ | |||
| #include "libavutil/intreadwrite.h" | |||
| #include "libavutil/pixdesc.h" | |||
| #include "avcodec.h" | |||
| #include "internal.h" | |||
| #include "rle.h" | |||
| #include "targa.h" | |||
| @@ -39,7 +40,7 @@ typedef struct TargaContext { | |||
| * @param h Image height | |||
| * @return Size of output in bytes, or -1 if larger than out_size | |||
| */ | |||
| static int targa_encode_rle(uint8_t *outbuf, int out_size, AVFrame *pic, | |||
| static int targa_encode_rle(uint8_t *outbuf, int out_size, const AVFrame *pic, | |||
| int bpp, int w, int h) | |||
| { | |||
| int y,ret; | |||
| @@ -59,7 +60,7 @@ static int targa_encode_rle(uint8_t *outbuf, int out_size, AVFrame *pic, | |||
| return out - outbuf; | |||
| } | |||
| static int targa_encode_normal(uint8_t *outbuf, AVFrame *pic, int bpp, int w, int h) | |||
| static int targa_encode_normal(uint8_t *outbuf, const AVFrame *pic, int bpp, int w, int h) | |||
| { | |||
| int i, n = bpp * w; | |||
| uint8_t *out = outbuf; | |||
| @@ -74,11 +75,10 @@ static int targa_encode_normal(uint8_t *outbuf, AVFrame *pic, int bpp, int w, in | |||
| return out - outbuf; | |||
| } | |||
| static int targa_encode_frame(AVCodecContext *avctx, | |||
| unsigned char *outbuf, | |||
| int buf_size, void *data){ | |||
| AVFrame *p = data; | |||
| int bpp, picsize, datasize = -1; | |||
| static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |||
| const AVFrame *p, int *got_packet) | |||
| { | |||
| int bpp, picsize, datasize = -1, ret; | |||
| uint8_t *out; | |||
| if(avctx->width > 0xffff || avctx->height > 0xffff) { | |||
| @@ -86,43 +86,43 @@ static int targa_encode_frame(AVCodecContext *avctx, | |||
| return AVERROR(EINVAL); | |||
| } | |||
| picsize = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); | |||
| if(buf_size < picsize + 45) { | |||
| if ((ret = ff_alloc_packet(pkt, picsize + 45)) < 0) { | |||
| av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); | |||
| return AVERROR(EINVAL); | |||
| return ret; | |||
| } | |||
| /* zero out the header and only set applicable fields */ | |||
| memset(outbuf, 0, 12); | |||
| AV_WL16(outbuf+12, avctx->width); | |||
| AV_WL16(outbuf+14, avctx->height); | |||
| memset(pkt->data, 0, 12); | |||
| AV_WL16(pkt->data+12, avctx->width); | |||
| AV_WL16(pkt->data+14, avctx->height); | |||
| /* image descriptor byte: origin is always top-left, bits 0-3 specify alpha */ | |||
| outbuf[17] = 0x20 | (avctx->pix_fmt == PIX_FMT_BGRA ? 8 : 0); | |||
| pkt->data[17] = 0x20 | (avctx->pix_fmt == PIX_FMT_BGRA ? 8 : 0); | |||
| switch(avctx->pix_fmt) { | |||
| case PIX_FMT_GRAY8: | |||
| outbuf[2] = TGA_BW; /* uncompressed grayscale image */ | |||
| outbuf[16] = 8; /* bpp */ | |||
| pkt->data[2] = TGA_BW; /* uncompressed grayscale image */ | |||
| pkt->data[16] = 8; /* bpp */ | |||
| break; | |||
| case PIX_FMT_RGB555LE: | |||
| outbuf[2] = TGA_RGB; /* uncompresses true-color image */ | |||
| outbuf[16] = 16; /* bpp */ | |||
| pkt->data[2] = TGA_RGB; /* uncompresses true-color image */ | |||
| pkt->data[16] = 16; /* bpp */ | |||
| break; | |||
| case PIX_FMT_BGR24: | |||
| outbuf[2] = TGA_RGB; /* uncompressed true-color image */ | |||
| outbuf[16] = 24; /* bpp */ | |||
| pkt->data[2] = TGA_RGB; /* uncompressed true-color image */ | |||
| pkt->data[16] = 24; /* bpp */ | |||
| break; | |||
| case PIX_FMT_BGRA: | |||
| outbuf[2] = TGA_RGB; /* uncompressed true-color image */ | |||
| outbuf[16] = 32; /* bpp */ | |||
| pkt->data[2] = TGA_RGB; /* uncompressed true-color image */ | |||
| pkt->data[16] = 32; /* bpp */ | |||
| break; | |||
| default: | |||
| av_log(avctx, AV_LOG_ERROR, "Pixel format '%s' not supported.\n", | |||
| av_get_pix_fmt_name(avctx->pix_fmt)); | |||
| return AVERROR(EINVAL); | |||
| } | |||
| bpp = outbuf[16] >> 3; | |||
| bpp = pkt->data[16] >> 3; | |||
| out = outbuf + 18; /* skip past the header we just output */ | |||
| out = pkt->data + 18; /* skip past the header we just output */ | |||
| /* try RLE compression */ | |||
| if (avctx->coder_type != FF_CODER_TYPE_RAW) | |||
| @@ -130,7 +130,7 @@ static int targa_encode_frame(AVCodecContext *avctx, | |||
| /* if that worked well, mark the picture as RLE compressed */ | |||
| if(datasize >= 0) | |||
| outbuf[2] |= 8; | |||
| pkt->data[2] |= 8; | |||
| /* if RLE didn't make it smaller, go back to no compression */ | |||
| else datasize = targa_encode_normal(out, p, bpp, avctx->width, avctx->height); | |||
| @@ -142,7 +142,11 @@ static int targa_encode_frame(AVCodecContext *avctx, | |||
| * aspect ratio and encoder ID fields available? */ | |||
| memcpy(out, "\0\0\0\0\0\0\0\0TRUEVISION-XFILE.", 26); | |||
| return out + 26 - outbuf; | |||
| pkt->size = out + 26 - pkt->data; | |||
| pkt->flags |= AV_PKT_FLAG_KEY; | |||
| *got_packet = 1; | |||
| return 0; | |||
| } | |||
| static av_cold int targa_encode_init(AVCodecContext *avctx) | |||
| @@ -163,7 +167,7 @@ AVCodec ff_targa_encoder = { | |||
| .id = CODEC_ID_TARGA, | |||
| .priv_data_size = sizeof(TargaContext), | |||
| .init = targa_encode_init, | |||
| .encode = targa_encode_frame, | |||
| .encode2 = targa_encode_frame, | |||
| .pix_fmts= (const enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_BGRA, PIX_FMT_RGB555LE, PIX_FMT_GRAY8, PIX_FMT_NONE}, | |||
| .long_name= NULL_IF_CONFIG_SMALL("Truevision Targa image"), | |||
| }; | |||