Allow to choose between RGB and YUV in pipi_open_sequence().

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@4765 92316355-f0b4-4df1-b90c-862c8a59935f

examples/makemovie.c

@@ -58,7 +58,7 @@ int main(int argc, char *argv[])
     if (argc > 7)
         bitrate = atoi(argv[7]);
 
-    seq = pipi_open_sequence(argv[1], width, height, fps,
+    seq = pipi_open_sequence(argv[1], width, height, 0 /* YUV */, fps,
                              par_num, par_den, bitrate);
     if(!seq)
         return EXIT_FAILURE;

pipi/pipi.h

@@ -241,7 +241,7 @@ __extern int pipi_free_histogram(pipi_histogram_t*);
 __extern int pipi_render_histogram(pipi_image_t *, pipi_histogram_t*, int);
 
 __extern pipi_sequence_t *pipi_open_sequence(char const *, int, int, int,
-                                             int, int, int);
+                                             int, int, int, int);
 __extern int pipi_feed_sequence(pipi_sequence_t *, uint8_t const *, int, int);
 __extern int pipi_close_sequence(pipi_sequence_t *);
 

pipi/sequence.c

@@ -49,13 +49,13 @@ typedef struct
     AVFrame *frame;
 
     struct SwsContext *sws_ctx;
-    int src_width, src_height;
+    int src_width, src_height, src_fmt;
 }
 ffmpeg_codec_t;
 #endif
 
 pipi_sequence_t *pipi_open_sequence(char const *file,
-                                    int width, int height, int fps,
+                                    int width, int height, int rgb, int fps,
                                     int par_num, int par_den, int bitrate)
 {
 #if defined USE_FFMPEG
@@ -182,6 +182,8 @@ pipi_sequence_t *pipi_open_sequence(char const *file,
     ff->buf_len = 64 * 1024 * 1024;
     ff->buf = (uint8_t *)av_malloc(ff->buf_len);
 
+    ff->src_fmt = rgb ? PIX_FMT_RGB32 : PIX_FMT_YUV444P;
+
     av_write_header(ff->fmt_ctx);
 
     return seq;
@@ -219,7 +221,7 @@ int pipi_feed_sequence(pipi_sequence_t *seq, uint8_t const *buffer,
 
     if (!ff->sws_ctx)
     {
-        ff->sws_ctx = sws_getContext(width, height, PIX_FMT_YUV444P,
+        ff->sws_ctx = sws_getContext(width, height, ff->src_fmt,
                                      ff->cod_ctx->width,
                                      ff->cod_ctx->height,
                                      ff->cod_ctx->pix_fmt, SWS_BICUBIC,
@@ -234,21 +236,30 @@ int pipi_feed_sequence(pipi_sequence_t *seq, uint8_t const *buffer,
         return -1;
 
     /* Convert interleaved YUV to planar YUV */
-    if (!seq->convert_buf)
-        seq->convert_buf = malloc(width * height * 3);
+    if (ff->src_fmt == PIX_FMT_YUV444P)
+    {
+        if (!seq->convert_buf)
+            seq->convert_buf = malloc(width * height * 3);
+
+        for (n = 0; n < width * height; n++)
+        {
+            seq->convert_buf[n] = buffer[4 * n];
+            seq->convert_buf[n + width * height] = buffer[4 * n + 1];
+            seq->convert_buf[n + 2 * width * height] = buffer[4 * n + 2];
+        }
 
-    for (n = 0; n < width * height; n++)
+        /* Feed the buffers to FFmpeg */
+        buflist[0] = seq->convert_buf;
+        buflist[1] = seq->convert_buf + 2 * width * height;
+        buflist[2] = seq->convert_buf + width * height;
+        pitchlist[0] = pitchlist[1] = pitchlist[2] = width;
+    }
+    else
     {
-        seq->convert_buf[n] = buffer[4 * n];
-        seq->convert_buf[n + width * height] = buffer[4 * n + 1];
-        seq->convert_buf[n + 2 * width * height] = buffer[4 * n + 2];
+        buflist[0] = buffer;
+        pitchlist[0] = 4 * width;
     }
 
-    /* Feed the buffers to FFmpeg */
-    buflist[0] = seq->convert_buf;
-    buflist[1] = seq->convert_buf + 2 * width * height;
-    buflist[2] = seq->convert_buf + width * height;
-    pitchlist[0] = pitchlist[1] = pitchlist[2] = width;
     sws_scale(ff->sws_ctx, buflist, pitchlist, 0, height,
               ff->frame->data, ff->frame->linesize);
 
@@ -279,11 +290,13 @@ int pipi_close_sequence(pipi_sequence_t *seq)
 #if defined USE_FFMPEG
     ffmpeg_codec_t *ff = (ffmpeg_codec_t *)seq->codec_priv;
 
-    if (ff->fmt_ctx)
+    /* Finish the sequence */
+    if (ff->buf)
     {
         av_write_trailer(ff->fmt_ctx);
     }
 
+    /* Close everything */
     if (ff->buf)
     {
         av_free(ff->buf);
@@ -311,7 +324,7 @@ int pipi_close_sequence(pipi_sequence_t *seq)
         av_freep(&ff->fmt_ctx->streams[0]);
         ff->stream = NULL;
 
-        if (!(ff->fmt_ctx->flags & AVFMT_NOFILE))
+        if (!(ff->fmt_ctx->flags & AVFMT_NOFILE) && ff->fmt_ctx->pb)
             url_fclose(ff->fmt_ctx->pb);
 
         av_free(ff->fmt_ctx);