*/
#include "avcodec.h"
-#include "imgconvert.h"
+#include "internal.h"
#include "raw.h"
+#include "libavutil/buffer.h"
+#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
typedef struct RawVideoContext {
- uint32_t palette[AVPALETTE_COUNT];
- unsigned char * buffer; /* block of memory for holding one frame */
- int length; /* number of bytes in buffer */
+ AVBufferRef *palette;
+ int frame_size; /* size of the frame in bytes */
int flip;
- AVFrame pic; ///< AVCodecContext.coded_frame
+ int is_2_4_bpp; // 2 or 4 bpp raw in avi/mov
+ int is_yuv2;
} RawVideoContext;
static const PixelFormatTag pix_fmt_bps_avi[] = {
- { PIX_FMT_PAL8, 4 },
- { PIX_FMT_PAL8, 8 },
- { PIX_FMT_RGB444, 12 },
- { PIX_FMT_RGB555, 15 },
- { PIX_FMT_RGB555, 16 },
- { PIX_FMT_BGR24, 24 },
- { PIX_FMT_RGB32, 32 },
- { PIX_FMT_NONE, 0 },
+ { AV_PIX_FMT_PAL8, 4 },
+ { AV_PIX_FMT_PAL8, 8 },
+ { AV_PIX_FMT_RGB444, 12 },
+ { AV_PIX_FMT_RGB555, 15 },
+ { AV_PIX_FMT_RGB555, 16 },
+ { AV_PIX_FMT_BGR24, 24 },
+ { AV_PIX_FMT_RGB32, 32 },
+ { AV_PIX_FMT_NONE, 0 },
};
static const PixelFormatTag pix_fmt_bps_mov[] = {
- { PIX_FMT_MONOWHITE, 1 },
- { PIX_FMT_PAL8, 2 },
- { PIX_FMT_PAL8, 4 },
- { PIX_FMT_PAL8, 8 },
+ { AV_PIX_FMT_MONOWHITE, 1 },
+ { AV_PIX_FMT_PAL8, 2 },
+ { AV_PIX_FMT_PAL8, 4 },
+ { AV_PIX_FMT_PAL8, 8 },
// FIXME swscale does not support 16 bit in .mov, sample 16bit.mov
// http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html
- { PIX_FMT_RGB555BE, 16 },
- { PIX_FMT_RGB24, 24 },
- { PIX_FMT_ARGB, 32 },
- { PIX_FMT_MONOWHITE,33 },
- { PIX_FMT_NONE, 0 },
+ { AV_PIX_FMT_RGB555BE, 16 },
+ { AV_PIX_FMT_RGB24, 24 },
+ { AV_PIX_FMT_ARGB, 32 },
+ { AV_PIX_FMT_MONOWHITE,33 },
+ { AV_PIX_FMT_NONE, 0 },
};
-static enum PixelFormat find_pix_fmt(const PixelFormatTag *tags, unsigned int fourcc)
+static enum AVPixelFormat find_pix_fmt(const PixelFormatTag *tags,
+ unsigned int fourcc)
{
while (tags->pix_fmt >= 0) {
if (tags->fourcc == fourcc)
return tags->pix_fmt;
tags++;
}
- return PIX_FMT_YUV420P;
+ return AV_PIX_FMT_YUV420P;
}
static av_cold int raw_init_decoder(AVCodecContext *avctx)
{
RawVideoContext *context = avctx->priv_data;
+ const AVPixFmtDescriptor *desc;
- if (avctx->codec_tag == MKTAG('r','a','w',' '))
- avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_mov, avctx->bits_per_coded_sample);
- else if (avctx->codec_tag == MKTAG('W','R','A','W'))
- avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi, avctx->bits_per_coded_sample);
+ if (avctx->codec_tag == MKTAG('r', 'a', 'w', ' '))
+ avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_mov,
+ avctx->bits_per_coded_sample);
+ else if (avctx->codec_tag == MKTAG('W', 'R', 'A', 'W'))
+ avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi,
+ avctx->bits_per_coded_sample);
else if (avctx->codec_tag)
avctx->pix_fmt = find_pix_fmt(ff_raw_pix_fmt_tags, avctx->codec_tag);
- else if (avctx->pix_fmt == PIX_FMT_NONE && avctx->bits_per_coded_sample)
- avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi, avctx->bits_per_coded_sample);
-
- ff_set_systematic_pal2(context->palette, avctx->pix_fmt);
- context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
- if((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) &&
- avctx->pix_fmt==PIX_FMT_PAL8 &&
- (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))){
- context->buffer = av_malloc(context->length);
- if (!context->buffer)
- return -1;
+ else if (avctx->pix_fmt == AV_PIX_FMT_NONE && avctx->bits_per_coded_sample)
+ avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi,
+ avctx->bits_per_coded_sample);
+
+ desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ if (!desc) {
+ av_log(avctx, AV_LOG_ERROR, "Invalid pixel format.\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (desc->flags & (AV_PIX_FMT_FLAG_PAL | AV_PIX_FMT_FLAG_PSEUDOPAL)) {
+ context->palette = av_buffer_alloc(AVPALETTE_SIZE);
+ if (!context->palette)
+ return AVERROR(ENOMEM);
+ if (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
+ avpriv_set_systematic_pal2((uint32_t*)context->palette->data, avctx->pix_fmt);
+ else
+ memset(context->palette->data, 0, AVPALETTE_SIZE);
}
- context->pic.pict_type = AV_PICTURE_TYPE_I;
- context->pic.key_frame = 1;
- avctx->coded_frame= &context->pic;
+ context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width,
+ avctx->height);
+ if ((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) &&
+ avctx->pix_fmt == AV_PIX_FMT_PAL8 &&
+ (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' ')))
+ context->is_2_4_bpp = 1;
+
+ if ((avctx->extradata_size >= 9 &&
+ !memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) ||
+ avctx->codec_tag == MKTAG(3, 0, 0, 0) ||
+ avctx->codec_tag == MKTAG('W','R','A','W'))
+ context->flip = 1;
- if((avctx->extradata_size >= 9 && !memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9)) ||
- avctx->codec_tag == MKTAG(3, 0, 0, 0) || avctx->codec_tag == MKTAG('W','R','A','W'))
- context->flip=1;
+ if (avctx->codec_tag == AV_RL32("yuv2") &&
+ avctx->pix_fmt == AV_PIX_FMT_YUYV422)
+ context->is_yuv2 = 1;
return 0;
}
-static void flip(AVCodecContext *avctx, AVPicture * picture){
- picture->data[0] += picture->linesize[0] * (avctx->height-1);
+static void flip(AVCodecContext *avctx, AVPicture *picture)
+{
+ picture->data[0] += picture->linesize[0] * (avctx->height - 1);
picture->linesize[0] *= -1;
}
-static int raw_decode(AVCodecContext *avctx,
- void *data, int *data_size,
- AVPacket *avpkt)
+static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
+ AVPacket *avpkt)
{
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
- RawVideoContext *context = avctx->priv_data;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+ RawVideoContext *context = avctx->priv_data;
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ int need_copy = !avpkt->buf || context->is_2_4_bpp || context->is_yuv2;
int res;
AVFrame *frame = data;
AVPicture *picture = data;
- frame->pict_type = avctx->coded_frame->pict_type;
- frame->interlaced_frame = avctx->coded_frame->interlaced_frame;
- frame->top_field_first = avctx->coded_frame->top_field_first;
- frame->reordered_opaque = avctx->reordered_opaque;
- frame->pkt_pts = avctx->pkt->pts;
+ frame->pict_type = AV_PICTURE_TYPE_I;
+ frame->key_frame = 1;
+
+ res = ff_decode_frame_props(avctx, frame);
+ if (res < 0)
+ return res;
- if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0))
+ if (buf_size < context->frame_size - (avctx->pix_fmt == AV_PIX_FMT_PAL8 ?
+ AVPALETTE_SIZE : 0))
return -1;
+ if (need_copy)
+ frame->buf[0] = av_buffer_alloc(context->frame_size);
+ else
+ frame->buf[0] = av_buffer_ref(avpkt->buf);
+ if (!frame->buf[0])
+ return AVERROR(ENOMEM);
+
//2bpp and 4bpp raw in avi and mov (yes this is ugly ...)
- if (context->buffer) {
+ if (context->is_2_4_bpp) {
int i;
- uint8_t *dst = context->buffer;
- buf_size = context->length - 256*4;
- if (avctx->bits_per_coded_sample == 4){
- for(i=0; 2*i+1 < buf_size; i++){
- dst[2*i+0]= buf[i]>>4;
- dst[2*i+1]= buf[i]&15;
+ uint8_t *dst = frame->buf[0]->data;
+ buf_size = context->frame_size - AVPALETTE_SIZE;
+ if (avctx->bits_per_coded_sample == 4) {
+ for (i = 0; 2 * i + 1 < buf_size; i++) {
+ dst[2 * i + 0] = buf[i] >> 4;
+ dst[2 * i + 1] = buf[i] & 15;
}
- } else
- for(i=0; 4*i+3 < buf_size; i++){
- dst[4*i+0]= buf[i]>>6;
- dst[4*i+1]= buf[i]>>4&3;
- dst[4*i+2]= buf[i]>>2&3;
- dst[4*i+3]= buf[i] &3;
+ } else {
+ for (i = 0; 4 * i + 3 < buf_size; i++) {
+ dst[4 * i + 0] = buf[i] >> 6;
+ dst[4 * i + 1] = buf[i] >> 4 & 3;
+ dst[4 * i + 2] = buf[i] >> 2 & 3;
+ dst[4 * i + 3] = buf[i] & 3;
}
- buf= dst;
+ }
+ buf = dst;
+ } else if (need_copy) {
+ memcpy(frame->buf[0]->data, buf, FFMIN(buf_size, context->frame_size));
+ buf = frame->buf[0]->data;
}
- if(avctx->codec_tag == MKTAG('A', 'V', '1', 'x') ||
- avctx->codec_tag == MKTAG('A', 'V', 'u', 'p'))
- buf += buf_size - context->length;
+ if (avctx->codec_tag == MKTAG('A', 'V', '1', 'x') ||
+ avctx->codec_tag == MKTAG('A', 'V', 'u', 'p'))
+ buf += buf_size - context->frame_size;
if ((res = avpicture_fill(picture, buf, avctx->pix_fmt,
avctx->width, avctx->height)) < 0)
return res;
- if((avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length) ||
- (av_pix_fmt_descriptors[avctx->pix_fmt].flags & PIX_FMT_PSEUDOPAL)) {
- frame->data[1]= context->palette;
- }
- if (avctx->pix_fmt == PIX_FMT_PAL8) {
- const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+
+ if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
+ const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE,
+ NULL);
if (pal) {
- memcpy(frame->data[1], pal, AVPALETTE_SIZE);
+ av_buffer_unref(&context->palette);
+ context->palette = av_buffer_alloc(AVPALETTE_SIZE);
+ if (!context->palette)
+ return AVERROR(ENOMEM);
+ memcpy(context->palette->data, pal, AVPALETTE_SIZE);
frame->palette_has_changed = 1;
}
}
- if(avctx->pix_fmt==PIX_FMT_BGR24 && ((frame->linesize[0]+3)&~3)*avctx->height <= buf_size)
- frame->linesize[0] = (frame->linesize[0]+3)&~3;
- if(context->flip)
+ if ((avctx->pix_fmt == AV_PIX_FMT_PAL8 && buf_size < context->frame_size) ||
+ (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)) {
+ frame->buf[1] = av_buffer_ref(context->palette);
+ if (!frame->buf[1])
+ return AVERROR(ENOMEM);
+ frame->data[1] = frame->buf[1]->data;
+ }
+ if (avctx->pix_fmt == AV_PIX_FMT_BGR24 &&
+ ((frame->linesize[0] + 3) & ~3) * avctx->height <= buf_size)
+ frame->linesize[0] = (frame->linesize[0] + 3) & ~3;
+
+ if (context->flip)
flip(avctx, picture);
- if ( avctx->codec_tag == MKTAG('Y', 'V', '1', '2')
- || avctx->codec_tag == MKTAG('Y', 'V', '1', '6')
- || avctx->codec_tag == MKTAG('Y', 'V', '2', '4')
- || avctx->codec_tag == MKTAG('Y', 'V', 'U', '9'))
+ if (avctx->codec_tag == MKTAG('Y', 'V', '1', '2') ||
+ avctx->codec_tag == MKTAG('Y', 'V', '1', '6') ||
+ avctx->codec_tag == MKTAG('Y', 'V', '2', '4') ||
+ avctx->codec_tag == MKTAG('Y', 'V', 'U', '9'))
FFSWAP(uint8_t *, picture->data[1], picture->data[2]);
- if(avctx->codec_tag == AV_RL32("yuv2") &&
- avctx->pix_fmt == PIX_FMT_YUYV422) {
+ if (avctx->codec_tag == AV_RL32("yuv2") &&
+ avctx->pix_fmt == AV_PIX_FMT_YUYV422) {
int x, y;
uint8_t *line = picture->data[0];
- for(y = 0; y < avctx->height; y++) {
- for(x = 0; x < avctx->width; x++)
- line[2*x + 1] ^= 0x80;
+ for (y = 0; y < avctx->height; y++) {
+ for (x = 0; x < avctx->width; x++)
+ line[2 * x + 1] ^= 0x80;
line += picture->linesize[0];
}
}
- *data_size = sizeof(AVPicture);
+ *got_frame = 1;
return buf_size;
}
{
RawVideoContext *context = avctx->priv_data;
- av_freep(&context->buffer);
+ av_buffer_unref(&context->palette);
return 0;
}
AVCodec ff_rawvideo_decoder = {
.name = "rawvideo",
+ .long_name = NULL_IF_CONFIG_SMALL("raw video"),
.type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_RAWVIDEO,
+ .id = AV_CODEC_ID_RAWVIDEO,
.priv_data_size = sizeof(RawVideoContext),
.init = raw_init_decoder,
.close = raw_close_decoder,
.decode = raw_decode,
- .long_name = NULL_IF_CONFIG_SMALL("raw video"),
};
projects / ffmpeg / blobdiff