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Diffstat (limited to 'src/demuxers/demux_film.c')
-rw-r--r--src/demuxers/demux_film.c156
1 files changed, 50 insertions, 106 deletions
diff --git a/src/demuxers/demux_film.c b/src/demuxers/demux_film.c
index 536d51ee5..e8f44f67f 100644
--- a/src/demuxers/demux_film.c
+++ b/src/demuxers/demux_film.c
@@ -21,7 +21,7 @@
* For more information on the FILM file format, visit:
* http://www.pcisys.net/~melanson/codecs/
*
- * $Id: demux_film.c,v 1.60 2003/04/26 20:16:01 guenter Exp $
+ * $Id: demux_film.c,v 1.61 2003/07/03 12:35:18 andruil Exp $
*/
#ifdef HAVE_CONFIG_H
@@ -34,6 +34,18 @@
#include <string.h>
#include <stdlib.h>
+/********** logging **********/
+#define LOG_MODULE "demux_film"
+/* #define LOG_VERBOSE */
+
+/* set DEBUG_FILM_LOAD to dump the frame index after the demuxer loads a
+ * FILM file */
+#define DEBUG_FILM_LOAD 0
+
+/* set DEBUG_FILM_DEMUX to output information about the A/V chunks that the
+ * demuxer is dispatching to the engine */
+#define DEBUG_FILM_DEMUX 0
+
#include "xine_internal.h"
#include "xineutils.h"
#include "compat.h"
@@ -59,21 +71,16 @@ typedef struct {
} film_sample_t;
typedef struct {
-
demux_plugin_t demux_plugin;
xine_stream_t *stream;
-
- config_values_t *config;
-
fifo_buffer_t *video_fifo;
fifo_buffer_t *audio_fifo;
-
input_plugin_t *input;
+ int status;
off_t data_start;
off_t data_size;
- int status;
/* when this flag is set, demuxer only dispatches audio samples until it
* encounters a video keyframe, then it starts sending every frame again */
@@ -100,39 +107,12 @@ typedef struct {
unsigned int current_sample;
unsigned int last_sample;
int total_time;
-
- char last_mrl[1024];
} demux_film_t ;
typedef struct {
-
demux_class_t demux_class;
-
- /* class-wide, global variables here */
-
- xine_t *xine;
- config_values_t *config;
} demux_film_class_t;
-/* set DEBUG_FILM_LOAD to dump the frame index after the demuxer loads a
- * FILM file */
-#define DEBUG_FILM_LOAD 0
-
-/* set DEBUG_FILM_DEMUX to output information about the A/V chunks that the
- * demuxer is dispatching to the engine */
-#define DEBUG_FILM_DEMUX 0
-
-#if DEBUG_FILM_LOAD
-#define debug_film_load printf
-#else
-static inline void debug_film_load(const char *format, ...) { }
-#endif
-
-#if DEBUG_FILM_DEMUX
-#define debug_film_demux printf
-#else
-static inline void debug_film_demux(const char *format, ...) { }
-#endif
/* Open a FILM file
* This function is called from the _open() function of this demuxer.
@@ -142,7 +122,6 @@ static int open_film_file(demux_film_t *film) {
unsigned char *film_header;
unsigned int film_header_size;
unsigned char scratch[16];
- unsigned char preview[MAX_PREVIEW_SIZE];
unsigned int chunk_type;
unsigned int chunk_size;
unsigned int i, j;
@@ -158,33 +137,18 @@ static int open_film_file(demux_film_t *film) {
film->audio_bits = 0;
film->audio_channels = 0;
- if (film->input->get_capabilities(film->input) & INPUT_CAP_SEEKABLE) {
- /* reset the file */
- film->input->seek(film->input, 0, SEEK_SET);
-
- /* get the signature, header length and file version */
- if (film->input->read(film->input, scratch, 16) != 16) {
- return 0;
- }
- } else {
- film->input->get_optional_data(film->input, preview,
- INPUT_OPTIONAL_DATA_PREVIEW);
-
- /* copy over the header bytes for processing */
- memcpy(scratch, preview, 16);
- }
+ /* get the signature, header length and file version */
+ if (xine_demux_read_header(film->input, scratch, 16) != 16)
+ return 0;
/* FILM signature correct? */
if (strncmp(scratch, "FILM", 4)) {
return 0;
}
- debug_film_load(" demux_film: found 'FILM' signature\n");
+ llprintf(DEBUG_FILM_LOAD, "found 'FILM' signature\n");
- /* file is qualified; if the input was not seekable, skip over the header
- * bytes in the stream */
- if ((film->input->get_capabilities(film->input) & INPUT_CAP_SEEKABLE) == 0) {
- film->input->seek(film->input, 16, SEEK_SET);
- }
+ /* file is qualified; skip over the header bytes in the stream */
+ film->input->seek(film->input, 16, SEEK_SET);
/* header size = header size - 16-byte FILM signature */
film_header_size = BE_32(&scratch[4]) - 16;
@@ -192,7 +156,7 @@ static int open_film_file(demux_film_t *film) {
if (!film_header)
return 0;
strncpy(film->version, &scratch[8], 4);
- debug_film_load(" demux_film: 0x%X header bytes, version %c%c%c%c\n",
+ llprintf(DEBUG_FILM_LOAD, "0x%X header bytes, version %c%c%c%c\n",
film_header_size,
film->version[0],
film->version[1],
@@ -230,7 +194,7 @@ static int open_film_file(demux_film_t *film) {
switch(chunk_type) {
case FDSC_TAG:
- debug_film_load(" demux_film: parsing FDSC chunk\n");
+ llprintf(DEBUG_FILM_LOAD, "parsing FDSC chunk\n");
/* always fetch the video information */
film->bih.biWidth = BE_32(&film_header[i + 16]);
@@ -266,27 +230,27 @@ static int open_film_file(demux_film_t *film) {
film->audio_type = 0;
if (film->video_type)
- debug_film_load(" video: %dx%d %c%c%c%c\n",
+ llprintf(DEBUG_FILM_LOAD, "video: %dx%d %c%c%c%c\n",
film->bih.biWidth, film->bih.biHeight,
film_header[i + 8],
film_header[i + 9],
film_header[i + 10],
film_header[i + 11]);
else
- debug_film_load(" no video\n");
+ llprintf(DEBUG_FILM_LOAD, "no video\n");
if (film->audio_type)
- debug_film_load(" audio: %d Hz, %d channels, %d bits PCM\n",
+ llprintf(DEBUG_FILM_LOAD, "audio: %d Hz, %d channels, %d bits PCM\n",
film->sample_rate,
film->audio_channels,
film->audio_bits);
else
- debug_film_load(" no audio\n");
+ llprintf(DEBUG_FILM_LOAD, "no audio\n");
break;
case STAB_TAG:
- debug_film_load(" demux_film: parsing STAB chunk\n");
+ llprintf(DEBUG_FILM_LOAD, "parsing STAB chunk\n");
/* load the sample table */
if (film->sample_table)
@@ -297,14 +261,14 @@ static int open_film_file(demux_film_t *film) {
xine_xmalloc(film->sample_count * sizeof(film_sample_t));
for (j = 0; j < film->sample_count; j++) {
- film->sample_table[j].sample_offset =
+ film->sample_table[j].sample_offset =
BE_32(&film_header[(i + 16) + j * 16 + 0])
+ film_header_size + 16;
- film->sample_table[j].sample_size =
+ film->sample_table[j].sample_size =
BE_32(&film_header[(i + 16) + j * 16 + 4]);
- pts =
+ pts =
BE_32(&film_header[(i + 16) + j * 16 + 8]);
- film->sample_table[j].duration =
+ film->sample_table[j].duration =
BE_32(&film_header[(i + 16) + j * 16 + 12]);
if (pts == 0xFFFFFFFF) {
@@ -315,7 +279,7 @@ static int open_film_file(demux_film_t *film) {
/* figure out audio pts */
film->sample_table[j].pts = audio_byte_count;
film->sample_table[j].pts *= 90000;
- film->sample_table[j].pts /=
+ film->sample_table[j].pts /=
(film->sample_rate * film->audio_channels * (film->audio_bits / 8));
audio_byte_count += film->sample_table[j].sample_size;
@@ -329,7 +293,7 @@ static int open_film_file(demux_film_t *film) {
film->sample_table[j].keyframe = 0;
else
film->sample_table[j].keyframe = 1;
-
+
/* remove the keyframe bit */
film->sample_table[j].pts = pts & 0x7FFFFFFF;
@@ -347,7 +311,7 @@ static int open_film_file(demux_film_t *film) {
if (film->sample_table[j].pts > largest_pts)
largest_pts = film->sample_table[j].pts;
- debug_film_load(" sample %4d @ %8llX, %8X bytes, %s, pts %lld, duration %lld%s\n",
+ llprintf(DEBUG_FILM_LOAD, "sample %4d @ %8llX, %8X bytes, %s, pts %lld, duration %lld%s\n",
j,
film->sample_table[j].sample_offset,
film->sample_table[j].sample_size,
@@ -364,12 +328,12 @@ static int open_film_file(demux_film_t *film) {
if (chunk_size == film->sample_count * 16)
i += 16;
- /* allocate enough space in the interleave preload buffer for the
+ /* allocate enough space in the interleave preload buffer for the
* first chunk (which will be more than enough for successive chunks) */
if (film->audio_type) {
if (film->interleave_buffer)
free(film->interleave_buffer);
- film->interleave_buffer =
+ film->interleave_buffer =
xine_xmalloc(film->sample_table[0].sample_size);
}
break;
@@ -434,7 +398,7 @@ static int demux_film_send_chunk(demux_plugin_t *this_gen) {
}
}
- debug_film_demux(" demux_film: dispatching frame...\n");
+ llprintf(DEBUG_FILM_DEMUX, "dispatching frame...\n");
if ((!this->sample_table[i].audio) &&
(this->video_type == BUF_VIDEO_CINEPAK)) {
@@ -509,7 +473,7 @@ static int demux_film_send_chunk(demux_plugin_t *this_gen) {
if (!remaining_sample_bytes)
buf->decoder_flags |= BUF_FLAG_FRAME_END;
- debug_film_demux(" sending video buf with %d bytes, %lld pts, %d duration\n",
+ llprintf(DEBUG_FILM_DEMUX, "sending video buf with %d bytes, %lld pts, %d duration\n",
buf->size, buf->pts, buf->decoder_info[0]);
this->video_fifo->put(this->video_fifo, buf);
}
@@ -552,7 +516,7 @@ static int demux_film_send_chunk(demux_plugin_t *this_gen) {
if (!remaining_sample_bytes)
buf->decoder_flags |= BUF_FLAG_FRAME_END;
- debug_film_demux(" sending video buf with %d bytes, %lld pts, %d duration\n",
+ llprintf(DEBUG_FILM_DEMUX, "sending video buf with %d bytes, %lld pts, %d duration\n",
buf->size, buf->pts, buf->decoder_info[0]);
this->video_fifo->put(this->video_fifo, buf);
}
@@ -611,7 +575,7 @@ static int demux_film_send_chunk(demux_plugin_t *this_gen) {
if (!remaining_sample_bytes)
buf->decoder_flags |= BUF_FLAG_FRAME_END;
- debug_film_demux(" sending mono audio buf with %d bytes, %lld pts, %d duration\n",
+ llprintf(DEBUG_FILM_DEMUX, "sending mono audio buf with %d bytes, %lld pts, %d duration\n",
buf->size, buf->pts, buf->decoder_info[0]);
this->audio_fifo->put(this->audio_fifo, buf);
@@ -681,7 +645,7 @@ static int demux_film_send_chunk(demux_plugin_t *this_gen) {
if (!remaining_sample_bytes)
buf->decoder_flags |= BUF_FLAG_FRAME_END;
- debug_film_demux(" sending stereo audio buf with %d bytes, %lld pts, %d duration\n",
+ llprintf(DEBUG_FILM_DEMUX, "sending stereo audio buf with %d bytes, %lld pts, %d duration\n",
buf->size, buf->pts, buf->decoder_info[0]);
this->audio_fifo->put(this->audio_fifo, buf);
}
@@ -761,7 +725,7 @@ static int demux_film_seek (demux_plugin_t *this_gen,
/* if input is non-seekable, do not proceed with the rest of this
* seek function */
- if ((this->input->get_capabilities(this->input) & INPUT_CAP_SEEKABLE) == 0)
+ if (!INPUT_IS_SEEKABLE(this->input))
return this->status;
/* perform a binary search on the sample table, testing the offset
@@ -873,9 +837,8 @@ static int demux_film_get_optional_data(demux_plugin_t *this_gen,
}
static demux_plugin_t *open_plugin (demux_class_t *class_gen, xine_stream_t *stream,
- input_plugin_t *input_gen) {
+ input_plugin_t *input) {
- input_plugin_t *input = (input_plugin_t *) input_gen;
demux_film_t *this;
this = xine_xmalloc (sizeof (demux_film_t));
@@ -898,42 +861,27 @@ static demux_plugin_t *open_plugin (demux_class_t *class_gen, xine_stream_t *str
switch (stream->content_detection_method) {
- case METHOD_BY_CONTENT:
- case METHOD_EXPLICIT:
-
- if (!open_film_file(this)) {
- free (this);
- return NULL;
- }
-
- break;
-
case METHOD_BY_EXTENSION: {
- char *ending, *mrl;
+ char *extensions, *mrl;
mrl = input->get_mrl (input);
+ extensions = class_gen->get_extensions (class_gen);
- ending = strrchr(mrl, '.');
-
- if (!ending) {
+ if (!xine_demux_check_extension (mrl, extensions)) {
free (this);
return NULL;
}
+ }
+ /* falling through is intended */
- if (strncasecmp (ending, ".cpk", 4) &&
- strncasecmp (ending, ".cak", 4) &&
- strncasecmp (ending, ".film", 5)) {
- free (this);
- return NULL;
- }
+ case METHOD_BY_CONTENT:
+ case METHOD_EXPLICIT:
if (!open_film_file(this)) {
free (this);
return NULL;
}
- }
-
break;
default:
@@ -941,8 +889,6 @@ static demux_plugin_t *open_plugin (demux_class_t *class_gen, xine_stream_t *str
return NULL;
}
- strncpy (this->last_mrl, input->get_mrl (input), 1024);
-
return &this->demux_plugin;
}
@@ -974,8 +920,6 @@ void *demux_film_init_plugin (xine_t *xine, void *data) {
demux_film_class_t *this;
this = xine_xmalloc (sizeof (demux_film_class_t));
- this->config = xine->config;
- this->xine = xine;
this->demux_class.open_plugin = open_plugin;
this->demux_class.get_description = get_description;
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-03 06:34:24 +0000