Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / libavformat / yuv4mpeg.c
index 3a48864..6db5196 100644 (file)
@@ -19,6 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 #include "avformat.h"
+#include "internal.h"
 
 #define Y4M_MAGIC "YUV4MPEG2"
 #define Y4M_FRAME_MAGIC "FRAME"
@@ -90,11 +91,11 @@ static int yuv4_generate_header(AVFormatContext *s, char* buf)
 static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     AVStream *st = s->streams[pkt->stream_index];
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     AVPicture *picture;
     int* first_pkt = s->priv_data;
     int width, height, h_chroma_shift, v_chroma_shift;
-    int i, m;
+    int i;
     char buf2[Y4M_LINE_MAX+1];
     char buf1[20];
     uint8_t *ptr, *ptr1, *ptr2;
@@ -108,21 +109,21 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
             av_log(s, AV_LOG_ERROR, "Error. YUV4MPEG stream header write failed.\n");
             return AVERROR(EIO);
         } else {
-            put_buffer(pb, buf2, strlen(buf2));
+            avio_write(pb, buf2, strlen(buf2));
         }
     }
 
     /* construct frame header */
 
-    m = snprintf(buf1, sizeof(buf1), "%s\n", Y4M_FRAME_MAGIC);
-    put_buffer(pb, buf1, strlen(buf1));
+    snprintf(buf1, sizeof(buf1), "%s\n", Y4M_FRAME_MAGIC);
+    avio_write(pb, buf1, strlen(buf1));
 
     width = st->codec->width;
     height = st->codec->height;
 
     ptr = picture->data[0];
     for(i=0;i<height;i++) {
-        put_buffer(pb, ptr, width);
+        avio_write(pb, ptr, width);
         ptr += picture->linesize[0];
     }
 
@@ -135,15 +136,15 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
     ptr1 = picture->data[1];
     ptr2 = picture->data[2];
     for(i=0;i<height;i++) {     /* Cb */
-        put_buffer(pb, ptr1, width);
+        avio_write(pb, ptr1, width);
         ptr1 += picture->linesize[1];
     }
     for(i=0;i<height;i++) {     /* Cr */
-        put_buffer(pb, ptr2, width);
+        avio_write(pb, ptr2, width);
             ptr2 += picture->linesize[2];
     }
     }
-    put_flush_packet(pb);
+    avio_flush(pb);
     return 0;
 }
 
@@ -154,6 +155,12 @@ static int yuv4_write_header(AVFormatContext *s)
     if (s->nb_streams != 1)
         return AVERROR(EIO);
 
+    if (s->streams[0]->codec->codec_id != CODEC_ID_RAWVIDEO) {
+        av_log(s, AV_LOG_ERROR,
+               "A non-rawvideo stream was selected, but yuv4mpeg only handles rawvideo streams\n");
+        return AVERROR(EINVAL);
+    }
+
     if (s->streams[0]->codec->pix_fmt == PIX_FMT_YUV411P) {
         av_log(s, AV_LOG_ERROR, "Warning: generating rarely used 4:1:1 YUV stream, some mjpegtools might not work.\n");
     }
@@ -169,16 +176,16 @@ static int yuv4_write_header(AVFormatContext *s)
     return 0;
 }
 
-AVOutputFormat yuv4mpegpipe_muxer = {
-    "yuv4mpegpipe",
-    NULL_IF_CONFIG_SMALL("YUV4MPEG pipe format"),
-    "",
-    "y4m",
-    sizeof(int),
-    CODEC_ID_NONE,
-    CODEC_ID_RAWVIDEO,
-    yuv4_write_header,
-    yuv4_write_packet,
+AVOutputFormat ff_yuv4mpegpipe_muxer = {
+    .name              = "yuv4mpegpipe",
+    .long_name         = NULL_IF_CONFIG_SMALL("YUV4MPEG pipe format"),
+    .mime_type         = "",
+    .extensions        = "y4m",
+    .priv_data_size    = sizeof(int),
+    .audio_codec       = CODEC_ID_NONE,
+    .video_codec       = CODEC_ID_RAWVIDEO,
+    .write_header      = yuv4_write_header,
+    .write_packet      = yuv4_write_packet,
     .flags = AVFMT_RAWPICTURE,
 };
 #endif
@@ -192,7 +199,7 @@ static int yuv4_read_header(AVFormatContext *s, AVFormatParameters *ap)
     char header[MAX_YUV4_HEADER+10];  // Include headroom for the longest option
     char *tokstart,*tokend,*header_end;
     int i;
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     int width=-1, height=-1, raten=0, rated=0, aspectn=0, aspectd=0;
     enum PixelFormat pix_fmt=PIX_FMT_NONE,alt_pix_fmt=PIX_FMT_NONE;
     enum AVChromaLocation chroma_sample_location = AVCHROMA_LOC_UNSPECIFIED;
@@ -200,7 +207,7 @@ static int yuv4_read_header(AVFormatContext *s, AVFormatParameters *ap)
     struct frame_attributes *s1 = s->priv_data;
 
     for (i=0; i<MAX_YUV4_HEADER; i++) {
-        header[i] = get_byte(pb);
+        header[i] = avio_r8(pb);
         if (header[i] == '\n') {
             header[i+1] = 0x20;  // Add a space after last option. Makes parsing "444" vs "444alpha" easier.
             header[i+2] = 0;
@@ -327,13 +334,13 @@ static int yuv4_read_header(AVFormatContext *s, AVFormatParameters *ap)
         aspectd = 1;
     }
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if(!st)
         return AVERROR(ENOMEM);
     st->codec->width = width;
     st->codec->height = height;
     av_reduce(&raten, &rated, raten, rated, (1UL<<31)-1);
-    av_set_pts_info(st, 64, rated, raten);
+    avpriv_set_pts_info(st, 64, rated, raten);
     st->codec->pix_fmt = pix_fmt;
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codec->codec_id = CODEC_ID_RAWVIDEO;
@@ -352,7 +359,7 @@ static int yuv4_read_packet(AVFormatContext *s, AVPacket *pkt)
     struct frame_attributes *s1 = s->priv_data;
 
     for (i=0; i<MAX_FRAME_HEADER; i++) {
-        header[i] = get_byte(s->pb);
+        header[i] = avio_r8(s->pb);
         if (header[i] == '\n') {
             header[i+1] = 0;
             break;
@@ -390,13 +397,13 @@ static int yuv4_probe(AVProbeData *pd)
 }
 
 #if CONFIG_YUV4MPEGPIPE_DEMUXER
-AVInputFormat yuv4mpegpipe_demuxer = {
-    "yuv4mpegpipe",
-    NULL_IF_CONFIG_SMALL("YUV4MPEG pipe format"),
-    sizeof(struct frame_attributes),
-    yuv4_probe,
-    yuv4_read_header,
-    yuv4_read_packet,
+AVInputFormat ff_yuv4mpegpipe_demuxer = {
+    .name           = "yuv4mpegpipe",
+    .long_name      = NULL_IF_CONFIG_SMALL("YUV4MPEG pipe format"),
+    .priv_data_size = sizeof(struct frame_attributes),
+    .read_probe     = yuv4_probe,
+    .read_header    = yuv4_read_header,
+    .read_packet    = yuv4_read_packet,
     .extensions = "y4m"
 };
 #endif