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| author | Edgard Lima <edgard.lima@indt.org.br> | 2007-12-13 17:19:54 +0000 |
|---|---|---|
| committer | Edgard Lima <edgard.lima@indt.org.br> | 2007-12-13 17:19:54 +0000 |
| commit | 7bc241beb0b6dd22f0b6e722174779221ceec5de (patch) | |
| tree | 1a867f963d6e131563ae77ae6b8977dee73f71f2 /ext/metadata/metadatamuxpng.c | |
| parent | 334b512629cc91ea21b0ae32f0b9b6d980059c18 (diff) | |
| download | gst-plugins-bad-7bc241beb0b6dd22f0b6e722174779221ceec5de.tar.gz gst-plugins-bad-7bc241beb0b6dd22f0b6e722174779221ceec5de.tar.bz2 gst-plugins-bad-7bc241beb0b6dd22f0b6e722174779221ceec5de.zip | |
Code documentation.
Original commit message from CVS:
Code documentation.
Diffstat (limited to 'ext/metadata/metadatamuxpng.c')
| -rw-r--r-- | ext/metadata/metadatamuxpng.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/ext/metadata/metadatamuxpng.c b/ext/metadata/metadatamuxpng.c index 8aa17383..ac8e86bb 100644 --- a/ext/metadata/metadatamuxpng.c +++ b/ext/metadata/metadatamuxpng.c @@ -45,7 +45,7 @@ #include <string.h> -static int +static MetadataParsingReturn metadatamux_png_reading (PngMuxData * png_data, guint8 ** buf, guint32 * bufsize, const guint32 offset, const guint8 * step_buf, guint8 ** next_start, guint32 * next_size); @@ -168,13 +168,13 @@ metadatamux_png_dispose (PngMuxData * png_data) png_data->state = PNG_MUX_NULL; } -int +MetadataParsingReturn metadatamux_png_parse (PngMuxData * png_data, guint8 * buf, guint32 * bufsize, const guint32 offset, guint8 ** next_start, guint32 * next_size) { - int ret = 0; + int ret = META_PARSING_DONE; guint8 mark[8]; const guint8 *step_buf = buf; @@ -184,7 +184,7 @@ metadatamux_png_parse (PngMuxData * png_data, guint8 * buf, if (*bufsize < 8) { *next_size = (buf - *next_start) + 8; - ret = 1; + ret = META_PARSING_NEED_MORE_DATA; goto done; } @@ -200,7 +200,7 @@ metadatamux_png_parse (PngMuxData * png_data, guint8 * buf, if (mark[0] != 0x89 || mark[1] != 0x50 || mark[2] != 0x4E || mark[3] != 0x47 || mark[4] != 0x0D || mark[5] != 0x0A || mark[6] != 0x1A || mark[7] != 0x0A) { - ret = -1; + ret = META_PARSING_ERROR; goto done; } @@ -208,7 +208,7 @@ metadatamux_png_parse (PngMuxData * png_data, guint8 * buf, } - while (ret == 0) { + while (ret == META_PARSING_DONE) { switch (png_data->state) { case PNG_MUX_READING: ret = @@ -219,7 +219,7 @@ metadatamux_png_parse (PngMuxData * png_data, guint8 * buf, goto done; break; default: - ret = -1; + ret = META_PARSING_ERROR; break; } } @@ -232,13 +232,13 @@ done: /* look for markers */ -static int +static MetadataParsingReturn metadatamux_png_reading (PngMuxData * png_data, guint8 ** buf, guint32 * bufsize, const guint32 offset, const guint8 * step_buf, guint8 ** next_start, guint32 * next_size) { - int ret = -1; + int ret = META_PARSING_ERROR; guint8 mark[4]; guint32 chunk_size = 0; MetadataChunk chunk; @@ -249,7 +249,7 @@ metadatamux_png_reading (PngMuxData * png_data, guint8 ** buf, if (*bufsize < 8) { *next_size = (*buf - *next_start) + 8; - ret = 1; + ret = META_PARSING_NEED_MORE_DATA; goto done; } @@ -264,7 +264,7 @@ metadatamux_png_reading (PngMuxData * png_data, guint8 ** buf, mark[3] = READ (*buf, *bufsize); if (!(mark[0] == 'I' && mark[1] == 'H' && mark[2] == 'D' && mark[3] == 'R')) { - ret = -1; + ret = META_PARSING_ERROR; png_data->state = PNG_MUX_NULL; goto done; } @@ -279,7 +279,7 @@ metadatamux_png_reading (PngMuxData * png_data, guint8 ** buf, metadata_chunk_array_append_sorted (png_data->inject_chunks, &chunk); png_data->state = PNG_MUX_DONE; - ret = 0; + ret = META_PARSING_DONE; done: |